Home / 5,172,418.42-7,138,498.21-2,849,549.02

Finding the Fourth Proportional to 5,172,418.42, 7,138,498.21 and 2,849,549.02

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Solution

The fourth proportional to 5,172,418.42, 7,138,498.21 and 2,849,549.02 is: 3,932,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,418.42 : 7,138,498.21 = 2,849,549.02 : x
  2. Step 2: Convert to fraction form
    5,172,418.42/7,138,498.21 = 2,849,549.02/x
  3. Step 3: Cross multiply
    5,172,418.42x = 7,138,498.21 × 2,849,549.02
  4. Step 4: Simplify right side
    5,172,418.42x = 20,341,500,553,607.14
  5. Step 5: Solve for x
    x = 20,341,500,553,607.14/5,172,418.42
  6. Step 6: Final answer
    x = 3,932,686.59

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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.