Home / 2,869,635.60-3,960,122.40-1,580,520.60

Finding the Fourth Proportional to 2,869,635.60, 3,960,122.40 and 1,580,520.60

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Solution

The fourth proportional to 2,869,635.60, 3,960,122.40 and 1,580,520.60 is: 2,181,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,635.60 : 3,960,122.40 = 1,580,520.60 : x
  2. Step 2: Convert to fraction form
    2,869,635.60/3,960,122.40 = 1,580,520.60/x
  3. Step 3: Cross multiply
    2,869,635.60x = 3,960,122.40 × 1,580,520.60
  4. Step 4: Simplify right side
    2,869,635.60x = 6,259,055,031,721.44
  5. Step 5: Solve for x
    x = 6,259,055,031,721.44/2,869,635.60
  6. Step 6: Final answer
    x = 2,181,132.35

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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.