Home / 5,156,172.32-7,115,276.40-2,864,472.80

Finding the Fourth Proportional to 5,156,172.32, 7,115,276.40 and 2,864,472.80

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Solution

The fourth proportional to 5,156,172.32, 7,115,276.40 and 2,864,472.80 is: 3,952,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,172.32 : 7,115,276.40 = 2,864,472.80 : x
  2. Step 2: Convert to fraction form
    5,156,172.32/7,115,276.40 = 2,864,472.80/x
  3. Step 3: Cross multiply
    5,156,172.32x = 7,115,276.40 × 2,864,472.80
  4. Step 4: Simplify right side
    5,156,172.32x = 20,381,515,712,281.92
  5. Step 5: Solve for x
    x = 20,381,515,712,281.92/5,156,172.32
  6. Step 6: Final answer
    x = 3,952,838.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.