Home / 2,690,841.60-3,705,523.20-2,177,625.60

Finding the Fourth Proportional to 2,690,841.60, 3,705,523.20 and 2,177,625.60

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Solution

The fourth proportional to 2,690,841.60, 3,705,523.20 and 2,177,625.60 is: 2,998,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,841.60 : 3,705,523.20 = 2,177,625.60 : x
  2. Step 2: Convert to fraction form
    2,690,841.60/3,705,523.20 = 2,177,625.60/x
  3. Step 3: Cross multiply
    2,690,841.60x = 3,705,523.20 × 2,177,625.60
  4. Step 4: Simplify right side
    2,690,841.60x = 8,069,242,181,713.92
  5. Step 5: Solve for x
    x = 8,069,242,181,713.92/2,690,841.60
  6. Step 6: Final answer
    x = 2,998,780.08

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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.