Home / 2,098,333.80-3,148,278.30-678,436.20

Finding the Fourth Proportional to 2,098,333.80, 3,148,278.30 and 678,436.20

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Solution

The fourth proportional to 2,098,333.80, 3,148,278.30 and 678,436.20 is: 1,017,905.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,333.80 : 3,148,278.30 = 678,436.20 : x
  2. Step 2: Convert to fraction form
    2,098,333.80/3,148,278.30 = 678,436.20/x
  3. Step 3: Cross multiply
    2,098,333.80x = 3,148,278.30 × 678,436.20
  4. Step 4: Simplify right side
    2,098,333.80x = 2,135,905,966,394.46
  5. Step 5: Solve for x
    x = 2,135,905,966,394.46/2,098,333.80
  6. Step 6: Final answer
    x = 1,017,905.71

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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.