Home / 5,107,028.94-7,047,698.49-2,815,227.90

Finding the Fourth Proportional to 5,107,028.94, 7,047,698.49 and 2,815,227.90

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Solution

The fourth proportional to 5,107,028.94, 7,047,698.49 and 2,815,227.90 is: 3,885,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,028.94 : 7,047,698.49 = 2,815,227.90 : x
  2. Step 2: Convert to fraction form
    5,107,028.94/7,047,698.49 = 2,815,227.90/x
  3. Step 3: Cross multiply
    5,107,028.94x = 7,047,698.49 × 2,815,227.90
  4. Step 4: Simplify right side
    5,107,028.94x = 19,840,877,419,835.87
  5. Step 5: Solve for x
    x = 19,840,877,419,835.87/5,107,028.94
  6. Step 6: Final answer
    x = 3,885,013.70

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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.