Home / 6,709,578.89-9,257,988.87-3,957,127.61

Finding the Fourth Proportional to 6,709,578.89, 9,257,988.87 and 3,957,127.61

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Solution

The fourth proportional to 6,709,578.89, 9,257,988.87 and 3,957,127.61 is: 5,460,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709,578.89 : 9,257,988.87 = 3,957,127.61 : x
  2. Step 2: Convert to fraction form
    6,709,578.89/9,257,988.87 = 3,957,127.61/x
  3. Step 3: Cross multiply
    6,709,578.89x = 9,257,988.87 × 3,957,127.61
  4. Step 4: Simplify right side
    6,709,578.89x = 36,635,043,324,259.75
  5. Step 5: Solve for x
    x = 36,635,043,324,259.75/6,709,578.89
  6. Step 6: Final answer
    x = 5,460,110.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.