Home / 6,428,542.29-9,642,222.93-2,168,747.43

Finding the Fourth Proportional to 6,428,542.29, 9,642,222.93 and 2,168,747.43

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Solution

The fourth proportional to 6,428,542.29, 9,642,222.93 and 2,168,747.43 is: 3,252,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,542.29 : 9,642,222.93 = 2,168,747.43 : x
  2. Step 2: Convert to fraction form
    6,428,542.29/9,642,222.93 = 2,168,747.43/x
  3. Step 3: Cross multiply
    6,428,542.29x = 9,642,222.93 × 2,168,747.43
  4. Step 4: Simplify right side
    6,428,542.29x = 20,911,546,170,899.04
  5. Step 5: Solve for x
    x = 20,911,546,170,899.04/6,428,542.29
  6. Step 6: Final answer
    x = 3,252,921.93

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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.