Home / 6,428,827.18-9,644,713.55-2,786,168.49

Finding the Fourth Proportional to 6,428,827.18, 9,644,713.55 and 2,786,168.49

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Solution

The fourth proportional to 6,428,827.18, 9,644,713.55 and 2,786,168.49 is: 4,179,891.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,827.18 : 9,644,713.55 = 2,786,168.49 : x
  2. Step 2: Convert to fraction form
    6,428,827.18/9,644,713.55 = 2,786,168.49/x
  3. Step 3: Cross multiply
    6,428,827.18x = 9,644,713.55 × 2,786,168.49
  4. Step 4: Simplify right side
    6,428,827.18x = 26,871,796,988,086.04
  5. Step 5: Solve for x
    x = 26,871,796,988,086.04/6,428,827.18
  6. Step 6: Final answer
    x = 4,179,891.02

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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.