Home / 1,620,091.60-2,432,761.80-911,503.60

Finding the Fourth Proportional to 1,620,091.60, 2,432,761.80 and 911,503.60

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Solution

The fourth proportional to 1,620,091.60, 2,432,761.80 and 911,503.60 is: 1,368,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,091.60 : 2,432,761.80 = 911,503.60 : x
  2. Step 2: Convert to fraction form
    1,620,091.60/2,432,761.80 = 911,503.60/x
  3. Step 3: Cross multiply
    1,620,091.60x = 2,432,761.80 × 911,503.60
  4. Step 4: Simplify right side
    1,620,091.60x = 2,217,471,138,642.48
  5. Step 5: Solve for x
    x = 2,217,471,138,642.48/1,620,091.60
  6. Step 6: Final answer
    x = 1,368,731.95

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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.