Home / 2,663,319.40-3,675,380.90-1,439,620.91

Finding the Fourth Proportional to 2,663,319.40, 3,675,380.90 and 1,439,620.91

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Solution

The fourth proportional to 2,663,319.40, 3,675,380.90 and 1,439,620.91 is: 1,986,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,319.40 : 3,675,380.90 = 1,439,620.91 : x
  2. Step 2: Convert to fraction form
    2,663,319.40/3,675,380.90 = 1,439,620.91/x
  3. Step 3: Cross multiply
    2,663,319.40x = 3,675,380.90 × 1,439,620.91
  4. Step 4: Simplify right side
    2,663,319.40x = 5,291,155,195,854.62
  5. Step 5: Solve for x
    x = 5,291,155,195,854.62/2,663,319.40
  6. Step 6: Final answer
    x = 1,986,676.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.