Home / 2,579,894.40-3,869,841.60-660,801.90

Finding the Fourth Proportional to 2,579,894.40, 3,869,841.60 and 660,801.90

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Solution

The fourth proportional to 2,579,894.40, 3,869,841.60 and 660,801.90 is: 991,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,894.40 : 3,869,841.60 = 660,801.90 : x
  2. Step 2: Convert to fraction form
    2,579,894.40/3,869,841.60 = 660,801.90/x
  3. Step 3: Cross multiply
    2,579,894.40x = 3,869,841.60 × 660,801.90
  4. Step 4: Simplify right side
    2,579,894.40x = 2,557,198,681,979.04
  5. Step 5: Solve for x
    x = 2,557,198,681,979.04/2,579,894.40
  6. Step 6: Final answer
    x = 991,202.85

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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.