Home / 4,991,140.80-7,486,711.20-4,949,150.40

Finding the Fourth Proportional to 4,991,140.80, 7,486,711.20 and 4,949,150.40

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Solution

The fourth proportional to 4,991,140.80, 7,486,711.20 and 4,949,150.40 is: 7,423,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,140.80 : 7,486,711.20 = 4,949,150.40 : x
  2. Step 2: Convert to fraction form
    4,991,140.80/7,486,711.20 = 4,949,150.40/x
  3. Step 3: Cross multiply
    4,991,140.80x = 7,486,711.20 × 4,949,150.40
  4. Step 4: Simplify right side
    4,991,140.80x = 37,052,859,730,164.48
  5. Step 5: Solve for x
    x = 37,052,859,730,164.48/4,991,140.80
  6. Step 6: Final answer
    x = 7,423,725.60

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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.