Home / 5,142,764.70-7,715,431.29-3,629,403.30

Finding the Fourth Proportional to 5,142,764.70, 7,715,431.29 and 3,629,403.30

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Solution

The fourth proportional to 5,142,764.70, 7,715,431.29 and 3,629,403.30 is: 5,445,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142,764.70 : 7,715,431.29 = 3,629,403.30 : x
  2. Step 2: Convert to fraction form
    5,142,764.70/7,715,431.29 = 3,629,403.30/x
  3. Step 3: Cross multiply
    5,142,764.70x = 7,715,431.29 × 3,629,403.30
  4. Step 4: Simplify right side
    5,142,764.70x = 28,002,411,784,849.25
  5. Step 5: Solve for x
    x = 28,002,411,784,849.25/5,142,764.70
  6. Step 6: Final answer
    x = 5,445,011.28

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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.