Home / 5,105,064.16-7,044,897.30-2,781,976.96

Finding the Fourth Proportional to 5,105,064.16, 7,044,897.30 and 2,781,976.96

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Solution

The fourth proportional to 5,105,064.16, 7,044,897.30 and 2,781,976.96 is: 3,839,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105,064.16 : 7,044,897.30 = 2,781,976.96 : x
  2. Step 2: Convert to fraction form
    5,105,064.16/7,044,897.30 = 2,781,976.96/x
  3. Step 3: Cross multiply
    5,105,064.16x = 7,044,897.30 × 2,781,976.96
  4. Step 4: Simplify right side
    5,105,064.16x = 19,598,741,974,166.21
  5. Step 5: Solve for x
    x = 19,598,741,974,166.21/5,105,064.16
  6. Step 6: Final answer
    x = 3,839,078.48

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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.