Home / 2,680,238.40-4,020,357.60-883,399.20

Finding the Fourth Proportional to 2,680,238.40, 4,020,357.60 and 883,399.20

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Solution

The fourth proportional to 2,680,238.40, 4,020,357.60 and 883,399.20 is: 1,325,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,238.40 : 4,020,357.60 = 883,399.20 : x
  2. Step 2: Convert to fraction form
    2,680,238.40/4,020,357.60 = 883,399.20/x
  3. Step 3: Cross multiply
    2,680,238.40x = 4,020,357.60 × 883,399.20
  4. Step 4: Simplify right side
    2,680,238.40x = 3,551,580,687,553.92
  5. Step 5: Solve for x
    x = 3,551,580,687,553.92/2,680,238.40
  6. Step 6: Final answer
    x = 1,325,098.80

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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.