Home / 2,053,178.70-3,079,710.45-931,245.90

Finding the Fourth Proportional to 2,053,178.70, 3,079,710.45 and 931,245.90

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Solution

The fourth proportional to 2,053,178.70, 3,079,710.45 and 931,245.90 is: 1,396,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053,178.70 : 3,079,710.45 = 931,245.90 : x
  2. Step 2: Convert to fraction form
    2,053,178.70/3,079,710.45 = 931,245.90/x
  3. Step 3: Cross multiply
    2,053,178.70x = 3,079,710.45 × 931,245.90
  4. Step 4: Simplify right side
    2,053,178.70x = 2,867,967,729,749.66
  5. Step 5: Solve for x
    x = 2,867,967,729,749.66/2,053,178.70
  6. Step 6: Final answer
    x = 1,396,842.72

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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.