Home / 3,011,425.80-4,517,138.70-2,778,145.80

Finding the Fourth Proportional to 3,011,425.80, 4,517,138.70 and 2,778,145.80

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Solution

The fourth proportional to 3,011,425.80, 4,517,138.70 and 2,778,145.80 is: 4,167,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011,425.80 : 4,517,138.70 = 2,778,145.80 : x
  2. Step 2: Convert to fraction form
    3,011,425.80/4,517,138.70 = 2,778,145.80/x
  3. Step 3: Cross multiply
    3,011,425.80x = 4,517,138.70 × 2,778,145.80
  4. Step 4: Simplify right side
    3,011,425.80x = 12,549,269,907,422.46
  5. Step 5: Solve for x
    x = 12,549,269,907,422.46/3,011,425.80
  6. Step 6: Final answer
    x = 4,167,218.70

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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.