Home / 5,653,422.40-7,801,013.12-3,821,864.96

Finding the Fourth Proportional to 5,653,422.40, 7,801,013.12 and 3,821,864.96

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Solution

The fourth proportional to 5,653,422.40, 7,801,013.12 and 3,821,864.96 is: 5,273,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653,422.40 : 7,801,013.12 = 3,821,864.96 : x
  2. Step 2: Convert to fraction form
    5,653,422.40/7,801,013.12 = 3,821,864.96/x
  3. Step 3: Cross multiply
    5,653,422.40x = 7,801,013.12 × 3,821,864.96
  4. Step 4: Simplify right side
    5,653,422.40x = 29,814,418,695,828.27
  5. Step 5: Solve for x
    x = 29,814,418,695,828.27/5,653,422.40
  6. Step 6: Final answer
    x = 5,273,693.81

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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.