Home / 6,251,059.28-9,378,003-1,991,470.16

Finding the Fourth Proportional to 6,251,059.28, 9,378,003 and 1,991,470.16

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Solution

The fourth proportional to 6,251,059.28, 9,378,003 and 1,991,470.16 is: 2,987,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251,059.28 : 9,378,003 = 1,991,470.16 : x
  2. Step 2: Convert to fraction form
    6,251,059.28/9,378,003 = 1,991,470.16/x
  3. Step 3: Cross multiply
    6,251,059.28x = 9,378,003 × 1,991,470.16
  4. Step 4: Simplify right side
    6,251,059.28x = 18,676,013,134,890.48
  5. Step 5: Solve for x
    x = 18,676,013,134,890.48/6,251,059.28
  6. Step 6: Final answer
    x = 2,987,655.74

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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.