Home / 2,187,106.20-3,280,659.30-1,648,229.40

Finding the Fourth Proportional to 2,187,106.20, 3,280,659.30 and 1,648,229.40

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Solution

The fourth proportional to 2,187,106.20, 3,280,659.30 and 1,648,229.40 is: 2,472,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,106.20 : 3,280,659.30 = 1,648,229.40 : x
  2. Step 2: Convert to fraction form
    2,187,106.20/3,280,659.30 = 1,648,229.40/x
  3. Step 3: Cross multiply
    2,187,106.20x = 3,280,659.30 × 1,648,229.40
  4. Step 4: Simplify right side
    2,187,106.20x = 5,407,279,109,643.42
  5. Step 5: Solve for x
    x = 5,407,279,109,643.42/2,187,106.20
  6. Step 6: Final answer
    x = 2,472,344.10

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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.