Home / 6,388,040.24-8,815,629.24-3,487,553.36

Finding the Fourth Proportional to 6,388,040.24, 8,815,629.24 and 3,487,553.36

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Solution

The fourth proportional to 6,388,040.24, 8,815,629.24 and 3,487,553.36 is: 4,812,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,040.24 : 8,815,629.24 = 3,487,553.36 : x
  2. Step 2: Convert to fraction form
    6,388,040.24/8,815,629.24 = 3,487,553.36/x
  3. Step 3: Cross multiply
    6,388,040.24x = 8,815,629.24 × 3,487,553.36
  4. Step 4: Simplify right side
    6,388,040.24x = 30,744,977,376,476.25
  5. Step 5: Solve for x
    x = 30,744,977,376,476.25/6,388,040.24
  6. Step 6: Final answer
    x = 4,812,896.64

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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.