Home / 3,915,862.77-5,874,108.12-1,488,179.05

Finding the Fourth Proportional to 3,915,862.77, 5,874,108.12 and 1,488,179.05

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Solution

The fourth proportional to 3,915,862.77, 5,874,108.12 and 1,488,179.05 is: 2,232,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,862.77 : 5,874,108.12 = 1,488,179.05 : x
  2. Step 2: Convert to fraction form
    3,915,862.77/5,874,108.12 = 1,488,179.05/x
  3. Step 3: Cross multiply
    3,915,862.77x = 5,874,108.12 × 1,488,179.05
  4. Step 4: Simplify right side
    3,915,862.77x = 8,741,724,641,618.89
  5. Step 5: Solve for x
    x = 8,741,724,641,618.89/3,915,862.77
  6. Step 6: Final answer
    x = 2,232,387.89

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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.