Home / 3,176,615.88-4,764,882.78-780,471.72

Finding the Fourth Proportional to 3,176,615.88, 4,764,882.78 and 780,471.72

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Solution

The fourth proportional to 3,176,615.88, 4,764,882.78 and 780,471.72 is: 1,170,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176,615.88 : 4,764,882.78 = 780,471.72 : x
  2. Step 2: Convert to fraction form
    3,176,615.88/4,764,882.78 = 780,471.72/x
  3. Step 3: Cross multiply
    3,176,615.88x = 4,764,882.78 × 780,471.72
  4. Step 4: Simplify right side
    3,176,615.88x = 3,718,856,258,904.98
  5. Step 5: Solve for x
    x = 3,718,856,258,904.98/3,176,615.88
  6. Step 6: Final answer
    x = 1,170,697.50

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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.