Home / 3,165,269.20-4,747,909.72-769,115.84

Finding the Fourth Proportional to 3,165,269.20, 4,747,909.72 and 769,115.84

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Solution

The fourth proportional to 3,165,269.20, 4,747,909.72 and 769,115.84 is: 1,153,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,269.20 : 4,747,909.72 = 769,115.84 : x
  2. Step 2: Convert to fraction form
    3,165,269.20/4,747,909.72 = 769,115.84/x
  3. Step 3: Cross multiply
    3,165,269.20x = 4,747,909.72 × 769,115.84
  4. Step 4: Simplify right side
    3,165,269.20x = 3,651,692,572,541.96
  5. Step 5: Solve for x
    x = 3,651,692,572,541.96/3,165,269.20
  6. Step 6: Final answer
    x = 1,153,675.20

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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.