Home / 5,432,857.90-8,149,286.85-1,443,769.90

Finding the Fourth Proportional to 5,432,857.90, 8,149,286.85 and 1,443,769.90

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Solution

The fourth proportional to 5,432,857.90, 8,149,286.85 and 1,443,769.90 is: 2,165,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,857.90 : 8,149,286.85 = 1,443,769.90 : x
  2. Step 2: Convert to fraction form
    5,432,857.90/8,149,286.85 = 1,443,769.90/x
  3. Step 3: Cross multiply
    5,432,857.90x = 8,149,286.85 × 1,443,769.90
  4. Step 4: Simplify right side
    5,432,857.90x = 11,765,695,060,495.81
  5. Step 5: Solve for x
    x = 11,765,695,060,495.81/5,432,857.90
  6. Step 6: Final answer
    x = 2,165,654.85

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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.