Home / 2,660,219.20-3,990,847.20-1,062,510.40

Finding the Fourth Proportional to 2,660,219.20, 3,990,847.20 and 1,062,510.40

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Solution

The fourth proportional to 2,660,219.20, 3,990,847.20 and 1,062,510.40 is: 1,593,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,219.20 : 3,990,847.20 = 1,062,510.40 : x
  2. Step 2: Convert to fraction form
    2,660,219.20/3,990,847.20 = 1,062,510.40/x
  3. Step 3: Cross multiply
    2,660,219.20x = 3,990,847.20 × 1,062,510.40
  4. Step 4: Simplify right side
    2,660,219.20x = 4,240,316,654,810.88
  5. Step 5: Solve for x
    x = 4,240,316,654,810.88/2,660,219.20
  6. Step 6: Final answer
    x = 1,593,972.65

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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.