Home / 3,612,643.83-5,418,983.82-916,969.86

Finding the Fourth Proportional to 3,612,643.83, 5,418,983.82 and 916,969.86

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Solution

The fourth proportional to 3,612,643.83, 5,418,983.82 and 916,969.86 is: 1,375,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,643.83 : 5,418,983.82 = 916,969.86 : x
  2. Step 2: Convert to fraction form
    3,612,643.83/5,418,983.82 = 916,969.86/x
  3. Step 3: Cross multiply
    3,612,643.83x = 5,418,983.82 × 916,969.86
  4. Step 4: Simplify right side
    3,612,643.83x = 4,969,044,803,087.90
  5. Step 5: Solve for x
    x = 4,969,044,803,087.90/3,612,643.83
  6. Step 6: Final answer
    x = 1,375,459.37

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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.