Home / 2,710,115.28-4,063,991.40-912,515.76

Finding the Fourth Proportional to 2,710,115.28, 4,063,991.40 and 912,515.76

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Solution

The fourth proportional to 2,710,115.28, 4,063,991.40 and 912,515.76 is: 1,368,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710,115.28 : 4,063,991.40 = 912,515.76 : x
  2. Step 2: Convert to fraction form
    2,710,115.28/4,063,991.40 = 912,515.76/x
  3. Step 3: Cross multiply
    2,710,115.28x = 4,063,991.40 × 912,515.76
  4. Step 4: Simplify right side
    2,710,115.28x = 3,708,456,201,004.46
  5. Step 5: Solve for x
    x = 3,708,456,201,004.46/2,710,115.28
  6. Step 6: Final answer
    x = 1,368,375.81

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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.