Home / 2,187,002.60-3,280,503.90-1,585,140.20

Finding the Fourth Proportional to 2,187,002.60, 3,280,503.90 and 1,585,140.20

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Solution

The fourth proportional to 2,187,002.60, 3,280,503.90 and 1,585,140.20 is: 2,377,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,002.60 : 3,280,503.90 = 1,585,140.20 : x
  2. Step 2: Convert to fraction form
    2,187,002.60/3,280,503.90 = 1,585,140.20/x
  3. Step 3: Cross multiply
    2,187,002.60x = 3,280,503.90 × 1,585,140.20
  4. Step 4: Simplify right side
    2,187,002.60x = 5,200,058,608,146.78
  5. Step 5: Solve for x
    x = 5,200,058,608,146.78/2,187,002.60
  6. Step 6: Final answer
    x = 2,377,710.30

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1.5x scale

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.