Home / 2,218,418.42-3,327,818.13-778,978.08

Finding the Fourth Proportional to 2,218,418.42, 3,327,818.13 and 778,978.08

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Solution

The fourth proportional to 2,218,418.42, 3,327,818.13 and 778,978.08 is: 1,168,534.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218,418.42 : 3,327,818.13 = 778,978.08 : x
  2. Step 2: Convert to fraction form
    2,218,418.42/3,327,818.13 = 778,978.08/x
  3. Step 3: Cross multiply
    2,218,418.42x = 3,327,818.13 × 778,978.08
  4. Step 4: Simplify right side
    2,218,418.42x = 2,592,297,377,496.59
  5. Step 5: Solve for x
    x = 2,592,297,377,496.59/2,218,418.42
  6. Step 6: Final answer
    x = 1,168,534.02

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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.