Home / 2,188,599.90-3,281,344.65-991,095.90

Finding the Fourth Proportional to 2,188,599.90, 3,281,344.65 and 991,095.90

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Solution

The fourth proportional to 2,188,599.90, 3,281,344.65 and 991,095.90 is: 1,485,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,599.90 : 3,281,344.65 = 991,095.90 : x
  2. Step 2: Convert to fraction form
    2,188,599.90/3,281,344.65 = 991,095.90/x
  3. Step 3: Cross multiply
    2,188,599.90x = 3,281,344.65 × 991,095.90
  4. Step 4: Simplify right side
    2,188,599.90x = 3,252,127,229,101.94
  5. Step 5: Solve for x
    x = 3,252,127,229,101.94/2,188,599.90
  6. Step 6: Final answer
    x = 1,485,939.59

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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.