Home / 2,098,631.80-3,147,947.70-679,706.20

Finding the Fourth Proportional to 2,098,631.80, 3,147,947.70 and 679,706.20

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Solution

The fourth proportional to 2,098,631.80, 3,147,947.70 and 679,706.20 is: 1,019,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,631.80 : 3,147,947.70 = 679,706.20 : x
  2. Step 2: Convert to fraction form
    2,098,631.80/3,147,947.70 = 679,706.20/x
  3. Step 3: Cross multiply
    2,098,631.80x = 3,147,947.70 × 679,706.20
  4. Step 4: Simplify right side
    2,098,631.80x = 2,139,679,568,965.74
  5. Step 5: Solve for x
    x = 2,139,679,568,965.74/2,098,631.80
  6. Step 6: Final answer
    x = 1,019,559.30

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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.