Home / 3,165,493.70-4,748,240.55-921,704.90

Finding the Fourth Proportional to 3,165,493.70, 4,748,240.55 and 921,704.90

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Solution

The fourth proportional to 3,165,493.70, 4,748,240.55 and 921,704.90 is: 1,382,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,493.70 : 4,748,240.55 = 921,704.90 : x
  2. Step 2: Convert to fraction form
    3,165,493.70/4,748,240.55 = 921,704.90/x
  3. Step 3: Cross multiply
    3,165,493.70x = 4,748,240.55 × 921,704.90
  4. Step 4: Simplify right side
    3,165,493.70x = 4,376,476,581,313.70
  5. Step 5: Solve for x
    x = 4,376,476,581,313.70/3,165,493.70
  6. Step 6: Final answer
    x = 1,382,557.35

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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.