Home / 2,078,467.20-3,117,992.40-658,375.20

Finding the Fourth Proportional to 2,078,467.20, 3,117,992.40 and 658,375.20

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Solution

The fourth proportional to 2,078,467.20, 3,117,992.40 and 658,375.20 is: 987,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,467.20 : 3,117,992.40 = 658,375.20 : x
  2. Step 2: Convert to fraction form
    2,078,467.20/3,117,992.40 = 658,375.20/x
  3. Step 3: Cross multiply
    2,078,467.20x = 3,117,992.40 × 658,375.20
  4. Step 4: Simplify right side
    2,078,467.20x = 2,052,808,869,948.48
  5. Step 5: Solve for x
    x = 2,052,808,869,948.48/2,078,467.20
  6. Step 6: Final answer
    x = 987,655.17

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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.