Home / 3,938,720.20-5,908,080.30-3,371,849.80

Finding the Fourth Proportional to 3,938,720.20, 5,908,080.30 and 3,371,849.80

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Solution

The fourth proportional to 3,938,720.20, 5,908,080.30 and 3,371,849.80 is: 5,057,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,720.20 : 5,908,080.30 = 3,371,849.80 : x
  2. Step 2: Convert to fraction form
    3,938,720.20/5,908,080.30 = 3,371,849.80/x
  3. Step 3: Cross multiply
    3,938,720.20x = 5,908,080.30 × 3,371,849.80
  4. Step 4: Simplify right side
    3,938,720.20x = 19,921,159,377,938.94
  5. Step 5: Solve for x
    x = 19,921,159,377,938.94/3,938,720.20
  6. Step 6: Final answer
    x = 5,057,774.70

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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.