Home / 2,015,432.80-3,023,149.20-667,803.40

Finding the Fourth Proportional to 2,015,432.80, 3,023,149.20 and 667,803.40

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Solution

The fourth proportional to 2,015,432.80, 3,023,149.20 and 667,803.40 is: 1,001,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,432.80 : 3,023,149.20 = 667,803.40 : x
  2. Step 2: Convert to fraction form
    2,015,432.80/3,023,149.20 = 667,803.40/x
  3. Step 3: Cross multiply
    2,015,432.80x = 3,023,149.20 × 667,803.40
  4. Step 4: Simplify right side
    2,015,432.80x = 2,018,869,314,467.28
  5. Step 5: Solve for x
    x = 2,018,869,314,467.28/2,015,432.80
  6. Step 6: Final answer
    x = 1,001,705.10

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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.