Home / 2,187,523.20-3,018,331.20-1,257,051.20

Finding the Fourth Proportional to 2,187,523.20, 3,018,331.20 and 1,257,051.20

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Solution

The fourth proportional to 2,187,523.20, 3,018,331.20 and 1,257,051.20 is: 1,734,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,523.20 : 3,018,331.20 = 1,257,051.20 : x
  2. Step 2: Convert to fraction form
    2,187,523.20/3,018,331.20 = 1,257,051.20/x
  3. Step 3: Cross multiply
    2,187,523.20x = 3,018,331.20 × 1,257,051.20
  4. Step 4: Simplify right side
    2,187,523.20x = 3,794,196,856,957.44
  5. Step 5: Solve for x
    x = 3,794,196,856,957.44/2,187,523.20
  6. Step 6: Final answer
    x = 1,734,471.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.