Home / 5,428,007.10-8,145,121.05-2,064,627.90

Finding the Fourth Proportional to 5,428,007.10, 8,145,121.05 and 2,064,627.90

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Solution

The fourth proportional to 5,428,007.10, 8,145,121.05 and 2,064,627.90 is: 3,098,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,007.10 : 8,145,121.05 = 2,064,627.90 : x
  2. Step 2: Convert to fraction form
    5,428,007.10/8,145,121.05 = 2,064,627.90/x
  3. Step 3: Cross multiply
    5,428,007.10x = 8,145,121.05 × 2,064,627.90
  4. Step 4: Simplify right side
    5,428,007.10x = 16,816,644,168,707.29
  5. Step 5: Solve for x
    x = 16,816,644,168,707.29/5,428,007.10
  6. Step 6: Final answer
    x = 3,098,124.94

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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.