Home / 4,278,147.78-6,412,901.10-2,681,829.75

Finding the Fourth Proportional to 4,278,147.78, 6,412,901.10 and 2,681,829.75

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Solution

The fourth proportional to 4,278,147.78, 6,412,901.10 and 2,681,829.75 is: 4,020,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278,147.78 : 6,412,901.10 = 2,681,829.75 : x
  2. Step 2: Convert to fraction form
    4,278,147.78/6,412,901.10 = 2,681,829.75/x
  3. Step 3: Cross multiply
    4,278,147.78x = 6,412,901.10 × 2,681,829.75
  4. Step 4: Simplify right side
    4,278,147.78x = 17,198,308,953,787.72
  5. Step 5: Solve for x
    x = 17,198,308,953,787.72/4,278,147.78
  6. Step 6: Final answer
    x = 4,020,036.20

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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.