Home / 2,153,108.60-3,229,079.70-636,788.60

Finding the Fourth Proportional to 2,153,108.60, 3,229,079.70 and 636,788.60

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Solution

The fourth proportional to 2,153,108.60, 3,229,079.70 and 636,788.60 is: 955,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,108.60 : 3,229,079.70 = 636,788.60 : x
  2. Step 2: Convert to fraction form
    2,153,108.60/3,229,079.70 = 636,788.60/x
  3. Step 3: Cross multiply
    2,153,108.60x = 3,229,079.70 × 636,788.60
  4. Step 4: Simplify right side
    2,153,108.60x = 2,056,241,141,451.42
  5. Step 5: Solve for x
    x = 2,056,241,141,451.42/2,153,108.60
  6. Step 6: Final answer
    x = 955,010.42

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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.