Home / 3,138,443.80-4,707,665.70-2,221,708.08

Finding the Fourth Proportional to 3,138,443.80, 4,707,665.70 and 2,221,708.08

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Solution

The fourth proportional to 3,138,443.80, 4,707,665.70 and 2,221,708.08 is: 3,332,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,443.80 : 4,707,665.70 = 2,221,708.08 : x
  2. Step 2: Convert to fraction form
    3,138,443.80/4,707,665.70 = 2,221,708.08/x
  3. Step 3: Cross multiply
    3,138,443.80x = 4,707,665.70 × 2,221,708.08
  4. Step 4: Simplify right side
    3,138,443.80x = 10,459,058,923,628.86
  5. Step 5: Solve for x
    x = 10,459,058,923,628.86/3,138,443.80
  6. Step 6: Final answer
    x = 3,332,562.12

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.