Home / 6,389,067.49-9,578,002.47-2,402,778.85

Finding the Fourth Proportional to 6,389,067.49, 9,578,002.47 and 2,402,778.85

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Solution

The fourth proportional to 6,389,067.49, 9,578,002.47 and 2,402,778.85 is: 3,602,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389,067.49 : 9,578,002.47 = 2,402,778.85 : x
  2. Step 2: Convert to fraction form
    6,389,067.49/9,578,002.47 = 2,402,778.85/x
  3. Step 3: Cross multiply
    6,389,067.49x = 9,578,002.47 × 2,402,778.85
  4. Step 4: Simplify right side
    6,389,067.49x = 23,013,821,760,163.76
  5. Step 5: Solve for x
    x = 23,013,821,760,163.76/6,389,067.49
  6. Step 6: Final answer
    x = 3,602,062.71

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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.