Home / 2,835,229.60-4,251,375.60-840,426.40

Finding the Fourth Proportional to 2,835,229.60, 4,251,375.60 and 840,426.40

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Solution

The fourth proportional to 2,835,229.60, 4,251,375.60 and 840,426.40 is: 1,260,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835,229.60 : 4,251,375.60 = 840,426.40 : x
  2. Step 2: Convert to fraction form
    2,835,229.60/4,251,375.60 = 840,426.40/x
  3. Step 3: Cross multiply
    2,835,229.60x = 4,251,375.60 × 840,426.40
  4. Step 4: Simplify right side
    2,835,229.60x = 3,572,968,290,555.84
  5. Step 5: Solve for x
    x = 3,572,968,290,555.84/2,835,229.60
  6. Step 6: Final answer
    x = 1,260,204.21

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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.