Home / 5,432,757.10-8,149,135.65-1,646,428.30

Finding the Fourth Proportional to 5,432,757.10, 8,149,135.65 and 1,646,428.30

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Solution

The fourth proportional to 5,432,757.10, 8,149,135.65 and 1,646,428.30 is: 2,469,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,757.10 : 8,149,135.65 = 1,646,428.30 : x
  2. Step 2: Convert to fraction form
    5,432,757.10/8,149,135.65 = 1,646,428.30/x
  3. Step 3: Cross multiply
    5,432,757.10x = 8,149,135.65 × 1,646,428.30
  4. Step 4: Simplify right side
    5,432,757.10x = 13,416,967,554,698.90
  5. Step 5: Solve for x
    x = 13,416,967,554,698.90/5,432,757.10
  6. Step 6: Final answer
    x = 2,469,642.45

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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.