Home / 2,086,320.80-3,127,148.40-888,039.20

Finding the Fourth Proportional to 2,086,320.80, 3,127,148.40 and 888,039.20

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Solution

The fourth proportional to 2,086,320.80, 3,127,148.40 and 888,039.20 is: 1,331,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,320.80 : 3,127,148.40 = 888,039.20 : x
  2. Step 2: Convert to fraction form
    2,086,320.80/3,127,148.40 = 888,039.20/x
  3. Step 3: Cross multiply
    2,086,320.80x = 3,127,148.40 × 888,039.20
  4. Step 4: Simplify right side
    2,086,320.80x = 2,777,030,363,417.28
  5. Step 5: Solve for x
    x = 2,777,030,363,417.28/2,086,320.80
  6. Step 6: Final answer
    x = 1,331,065.85

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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.