Home / 1,649,150.90-2,471,999.83-690,155.95

Finding the Fourth Proportional to 1,649,150.90, 2,471,999.83 and 690,155.95

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Solution

The fourth proportional to 1,649,150.90, 2,471,999.83 and 690,155.95 is: 1,034,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,649,150.90 : 2,471,999.83 = 690,155.95 : x
  2. Step 2: Convert to fraction form
    1,649,150.90/2,471,999.83 = 690,155.95/x
  3. Step 3: Cross multiply
    1,649,150.90x = 2,471,999.83 × 690,155.95
  4. Step 4: Simplify right side
    1,649,150.90x = 1,706,065,391,073.49
  5. Step 5: Solve for x
    x = 1,706,065,391,073.49/1,649,150.90
  6. Step 6: Final answer
    x = 1,034,511.39

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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.