Home / 5,760,097.20-8,640,145.80-3,856,532.40

Finding the Fourth Proportional to 5,760,097.20, 8,640,145.80 and 3,856,532.40

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Solution

The fourth proportional to 5,760,097.20, 8,640,145.80 and 3,856,532.40 is: 5,784,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760,097.20 : 8,640,145.80 = 3,856,532.40 : x
  2. Step 2: Convert to fraction form
    5,760,097.20/8,640,145.80 = 3,856,532.40/x
  3. Step 3: Cross multiply
    5,760,097.20x = 8,640,145.80 × 3,856,532.40
  4. Step 4: Simplify right side
    5,760,097.20x = 33,321,002,218,423.92
  5. Step 5: Solve for x
    x = 33,321,002,218,423.92/5,760,097.20
  6. Step 6: Final answer
    x = 5,784,798.60

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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.