Home / 6,478,330.38-9,716,499.21-2,160,456.06

Finding the Fourth Proportional to 6,478,330.38, 9,716,499.21 and 2,160,456.06

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Solution

The fourth proportional to 6,478,330.38, 9,716,499.21 and 2,160,456.06 is: 3,240,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,330.38 : 9,716,499.21 = 2,160,456.06 : x
  2. Step 2: Convert to fraction form
    6,478,330.38/9,716,499.21 = 2,160,456.06/x
  3. Step 3: Cross multiply
    6,478,330.38x = 9,716,499.21 × 2,160,456.06
  4. Step 4: Simplify right side
    6,478,330.38x = 20,992,069,600,229.71
  5. Step 5: Solve for x
    x = 20,992,069,600,229.71/6,478,330.38
  6. Step 6: Final answer
    x = 3,240,351.81

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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.