Home / 5,261,932.89-7,844,259.78-5,179,013.10

Finding the Fourth Proportional to 5,261,932.89, 7,844,259.78 and 5,179,013.10

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Solution

The fourth proportional to 5,261,932.89, 7,844,259.78 and 5,179,013.10 is: 7,720,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261,932.89 : 7,844,259.78 = 5,179,013.10 : x
  2. Step 2: Convert to fraction form
    5,261,932.89/7,844,259.78 = 5,179,013.10/x
  3. Step 3: Cross multiply
    5,261,932.89x = 7,844,259.78 × 5,179,013.10
  4. Step 4: Simplify right side
    5,261,932.89x = 40,625,524,160,423.12
  5. Step 5: Solve for x
    x = 40,625,524,160,423.12/5,261,932.89
  6. Step 6: Final answer
    x = 7,720,646.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.