Home / 3,120,233.80-4,680,350.70-2,765,648.20

Finding the Fourth Proportional to 3,120,233.80, 4,680,350.70 and 2,765,648.20

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Solution

The fourth proportional to 3,120,233.80, 4,680,350.70 and 2,765,648.20 is: 4,148,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,233.80 : 4,680,350.70 = 2,765,648.20 : x
  2. Step 2: Convert to fraction form
    3,120,233.80/4,680,350.70 = 2,765,648.20/x
  3. Step 3: Cross multiply
    3,120,233.80x = 4,680,350.70 × 2,765,648.20
  4. Step 4: Simplify right side
    3,120,233.80x = 12,944,203,488,823.74
  5. Step 5: Solve for x
    x = 12,944,203,488,823.74/3,120,233.80
  6. Step 6: Final answer
    x = 4,148,472.30

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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.