Home / 2,185,862.60-3,278,793.90-689,954.60

Finding the Fourth Proportional to 2,185,862.60, 3,278,793.90 and 689,954.60

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Solution

The fourth proportional to 2,185,862.60, 3,278,793.90 and 689,954.60 is: 1,034,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,862.60 : 3,278,793.90 = 689,954.60 : x
  2. Step 2: Convert to fraction form
    2,185,862.60/3,278,793.90 = 689,954.60/x
  3. Step 3: Cross multiply
    2,185,862.60x = 3,278,793.90 × 689,954.60
  4. Step 4: Simplify right side
    2,185,862.60x = 2,262,218,933,756.94
  5. Step 5: Solve for x
    x = 2,262,218,933,756.94/2,185,862.60
  6. Step 6: Final answer
    x = 1,034,931.90

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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.