Home / 2,187,008.10-3,280,512.15-1,585,145.70

Finding the Fourth Proportional to 2,187,008.10, 3,280,512.15 and 1,585,145.70

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Solution

The fourth proportional to 2,187,008.10, 3,280,512.15 and 1,585,145.70 is: 2,377,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,008.10 : 3,280,512.15 = 1,585,145.70 : x
  2. Step 2: Convert to fraction form
    2,187,008.10/3,280,512.15 = 1,585,145.70/x
  3. Step 3: Cross multiply
    2,187,008.10x = 3,280,512.15 × 1,585,145.70
  4. Step 4: Simplify right side
    2,187,008.10x = 5,200,089,728,370.26
  5. Step 5: Solve for x
    x = 5,200,089,728,370.26/2,187,008.10
  6. Step 6: Final answer
    x = 2,377,718.55

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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.