Home / 2,247,691.80-3,371,537.70-1,287,161.40

Finding the Fourth Proportional to 2,247,691.80, 3,371,537.70 and 1,287,161.40

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Solution

The fourth proportional to 2,247,691.80, 3,371,537.70 and 1,287,161.40 is: 1,930,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247,691.80 : 3,371,537.70 = 1,287,161.40 : x
  2. Step 2: Convert to fraction form
    2,247,691.80/3,371,537.70 = 1,287,161.40/x
  3. Step 3: Cross multiply
    2,247,691.80x = 3,371,537.70 × 1,287,161.40
  4. Step 4: Simplify right side
    2,247,691.80x = 4,339,713,186,084.78
  5. Step 5: Solve for x
    x = 4,339,713,186,084.78/2,247,691.80
  6. Step 6: Final answer
    x = 1,930,742.10

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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.