Home / 2,198,507.40-3,298,538.70-2,120,747.40

Finding the Fourth Proportional to 2,198,507.40, 3,298,538.70 and 2,120,747.40

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Solution

The fourth proportional to 2,198,507.40, 3,298,538.70 and 2,120,747.40 is: 3,181,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,507.40 : 3,298,538.70 = 2,120,747.40 : x
  2. Step 2: Convert to fraction form
    2,198,507.40/3,298,538.70 = 2,120,747.40/x
  3. Step 3: Cross multiply
    2,198,507.40x = 3,298,538.70 × 2,120,747.40
  4. Step 4: Simplify right side
    2,198,507.40x = 6,995,367,371,824.38
  5. Step 5: Solve for x
    x = 6,995,367,371,824.38/2,198,507.40
  6. Step 6: Final answer
    x = 3,181,871.20

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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.