Home / 2,080,249.60-3,120,374.40-817,657.60

Finding the Fourth Proportional to 2,080,249.60, 3,120,374.40 and 817,657.60

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Solution

The fourth proportional to 2,080,249.60, 3,120,374.40 and 817,657.60 is: 1,226,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,249.60 : 3,120,374.40 = 817,657.60 : x
  2. Step 2: Convert to fraction form
    2,080,249.60/3,120,374.40 = 817,657.60/x
  3. Step 3: Cross multiply
    2,080,249.60x = 3,120,374.40 × 817,657.60
  4. Step 4: Simplify right side
    2,080,249.60x = 2,551,397,843,005.44
  5. Step 5: Solve for x
    x = 2,551,397,843,005.44/2,080,249.60
  6. Step 6: Final answer
    x = 1,226,486.40

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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.