Home / 3,487,147.20-4,812,267.36-1,959,253.44

Finding the Fourth Proportional to 3,487,147.20, 4,812,267.36 and 1,959,253.44

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Solution

The fourth proportional to 3,487,147.20, 4,812,267.36 and 1,959,253.44 is: 2,703,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487,147.20 : 4,812,267.36 = 1,959,253.44 : x
  2. Step 2: Convert to fraction form
    3,487,147.20/4,812,267.36 = 1,959,253.44/x
  3. Step 3: Cross multiply
    3,487,147.20x = 4,812,267.36 × 1,959,253.44
  4. Step 4: Simplify right side
    3,487,147.20x = 9,428,451,379,279.72
  5. Step 5: Solve for x
    x = 9,428,451,379,279.72/3,487,147.20
  6. Step 6: Final answer
    x = 2,703,772.12

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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.