Home / 3,934,198.48-5,429,711.28-2,215,654.96

Finding the Fourth Proportional to 3,934,198.48, 5,429,711.28 and 2,215,654.96

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Solution

The fourth proportional to 3,934,198.48, 5,429,711.28 and 2,215,654.96 is: 3,057,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,198.48 : 5,429,711.28 = 2,215,654.96 : x
  2. Step 2: Convert to fraction form
    3,934,198.48/5,429,711.28 = 2,215,654.96/x
  3. Step 3: Cross multiply
    3,934,198.48x = 5,429,711.28 × 2,215,654.96
  4. Step 4: Simplify right side
    3,934,198.48x = 12,030,366,728,899.95
  5. Step 5: Solve for x
    x = 12,030,366,728,899.95/3,934,198.48
  6. Step 6: Final answer
    x = 3,057,895.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.