Home / 2,086,511.86-3,130,951.56-888,309.28

Finding the Fourth Proportional to 2,086,511.86, 3,130,951.56 and 888,309.28

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Solution

The fourth proportional to 2,086,511.86, 3,130,951.56 and 888,309.28 is: 1,332,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,511.86 : 3,130,951.56 = 888,309.28 : x
  2. Step 2: Convert to fraction form
    2,086,511.86/3,130,951.56 = 888,309.28/x
  3. Step 3: Cross multiply
    2,086,511.86x = 3,130,951.56 × 888,309.28
  4. Step 4: Simplify right side
    2,086,511.86x = 2,781,253,325,978.48
  5. Step 5: Solve for x
    x = 2,781,253,325,978.48/2,086,511.86
  6. Step 6: Final answer
    x = 1,332,967.90

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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.