Home / 2,126,113.20-3,189,607.20-707,187.60

Finding the Fourth Proportional to 2,126,113.20, 3,189,607.20 and 707,187.60

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Solution

The fourth proportional to 2,126,113.20, 3,189,607.20 and 707,187.60 is: 1,060,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,113.20 : 3,189,607.20 = 707,187.60 : x
  2. Step 2: Convert to fraction form
    2,126,113.20/3,189,607.20 = 707,187.60/x
  3. Step 3: Cross multiply
    2,126,113.20x = 3,189,607.20 × 707,187.60
  4. Step 4: Simplify right side
    2,126,113.20x = 2,255,650,660,710.72
  5. Step 5: Solve for x
    x = 2,255,650,660,710.72/2,126,113.20
  6. Step 6: Final answer
    x = 1,060,926.89

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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.