Home / 6,242,940-8,615,257.20-3,381,372

Finding the Fourth Proportional to 6,242,940, 8,615,257.20 and 3,381,372

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Solution

The fourth proportional to 6,242,940, 8,615,257.20 and 3,381,372 is: 4,666,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242,940 : 8,615,257.20 = 3,381,372 : x
  2. Step 2: Convert to fraction form
    6,242,940/8,615,257.20 = 3,381,372/x
  3. Step 3: Cross multiply
    6,242,940x = 8,615,257.20 × 3,381,372
  4. Step 4: Simplify right side
    6,242,940x = 29,131,389,468,878.40
  5. Step 5: Solve for x
    x = 29,131,389,468,878.40/6,242,940
  6. Step 6: Final answer
    x = 4,666,293.36

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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.