Home / 2,799,221.85-4,199,499-905,963.22

Finding the Fourth Proportional to 2,799,221.85, 4,199,499 and 905,963.22

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Solution

The fourth proportional to 2,799,221.85, 4,199,499 and 905,963.22 is: 1,359,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,221.85 : 4,199,499 = 905,963.22 : x
  2. Step 2: Convert to fraction form
    2,799,221.85/4,199,499 = 905,963.22/x
  3. Step 3: Cross multiply
    2,799,221.85x = 4,199,499 × 905,963.22
  4. Step 4: Simplify right side
    2,799,221.85x = 3,804,591,636,426.78
  5. Step 5: Solve for x
    x = 3,804,591,636,426.78/2,799,221.85
  6. Step 6: Final answer
    x = 1,359,160.45

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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.