Home / 2,129,781.60-3,194,672.40-1,955,599.20

Finding the Fourth Proportional to 2,129,781.60, 3,194,672.40 and 1,955,599.20

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Solution

The fourth proportional to 2,129,781.60, 3,194,672.40 and 1,955,599.20 is: 2,933,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,781.60 : 3,194,672.40 = 1,955,599.20 : x
  2. Step 2: Convert to fraction form
    2,129,781.60/3,194,672.40 = 1,955,599.20/x
  3. Step 3: Cross multiply
    2,129,781.60x = 3,194,672.40 × 1,955,599.20
  4. Step 4: Simplify right side
    2,129,781.60x = 6,247,498,789,702.08
  5. Step 5: Solve for x
    x = 6,247,498,789,702.08/2,129,781.60
  6. Step 6: Final answer
    x = 2,933,398.80

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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.