Home / 2,800,942.40-4,192,082.40-2,465,019.20

Finding the Fourth Proportional to 2,800,942.40, 4,192,082.40 and 2,465,019.20

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Solution

The fourth proportional to 2,800,942.40, 4,192,082.40 and 2,465,019.20 is: 3,689,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800,942.40 : 4,192,082.40 = 2,465,019.20 : x
  2. Step 2: Convert to fraction form
    2,800,942.40/4,192,082.40 = 2,465,019.20/x
  3. Step 3: Cross multiply
    2,800,942.40x = 4,192,082.40 × 2,465,019.20
  4. Step 4: Simplify right side
    2,800,942.40x = 10,333,563,603,982.08
  5. Step 5: Solve for x
    x = 10,333,563,603,982.08/2,800,942.40
  6. Step 6: Final answer
    x = 3,689,316.71

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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.