Home / 1,942,610.40-2,912,654.16-931,708.80

Finding the Fourth Proportional to 1,942,610.40, 2,912,654.16 and 931,708.80

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Solution

The fourth proportional to 1,942,610.40, 2,912,654.16 and 931,708.80 is: 1,396,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,610.40 : 2,912,654.16 = 931,708.80 : x
  2. Step 2: Convert to fraction form
    1,942,610.40/2,912,654.16 = 931,708.80/x
  3. Step 3: Cross multiply
    1,942,610.40x = 2,912,654.16 × 931,708.80
  4. Step 4: Simplify right side
    1,942,610.40x = 2,713,745,512,228.61
  5. Step 5: Solve for x
    x = 2,713,745,512,228.61/1,942,610.40
  6. Step 6: Final answer
    x = 1,396,958.19

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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.