Home / 2,631,853.60-3,949,623.60-1,687,520.80

Finding the Fourth Proportional to 2,631,853.60, 3,949,623.60 and 1,687,520.80

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Solution

The fourth proportional to 2,631,853.60, 3,949,623.60 and 1,687,520.80 is: 2,532,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,853.60 : 3,949,623.60 = 1,687,520.80 : x
  2. Step 2: Convert to fraction form
    2,631,853.60/3,949,623.60 = 1,687,520.80/x
  3. Step 3: Cross multiply
    2,631,853.60x = 3,949,623.60 × 1,687,520.80
  4. Step 4: Simplify right side
    2,631,853.60x = 6,665,071,977,170.88
  5. Step 5: Solve for x
    x = 6,665,071,977,170.88/2,631,853.60
  6. Step 6: Final answer
    x = 2,532,463.04

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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.