Home / 4,653,354.30-6,980,186.97-1,287,279.42

Finding the Fourth Proportional to 4,653,354.30, 6,980,186.97 and 1,287,279.42

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Solution

The fourth proportional to 4,653,354.30, 6,980,186.97 and 1,287,279.42 is: 1,930,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653,354.30 : 6,980,186.97 = 1,287,279.42 : x
  2. Step 2: Convert to fraction form
    4,653,354.30/6,980,186.97 = 1,287,279.42/x
  3. Step 3: Cross multiply
    4,653,354.30x = 6,980,186.97 × 1,287,279.42
  4. Step 4: Simplify right side
    4,653,354.30x = 8,985,451,034,233.16
  5. Step 5: Solve for x
    x = 8,985,451,034,233.16/4,653,354.30
  6. Step 6: Final answer
    x = 1,930,962.15

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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.