Home / 3,388,442.38-5,082,665.40-2,127,155.74

Finding the Fourth Proportional to 3,388,442.38, 5,082,665.40 and 2,127,155.74

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Solution

The fourth proportional to 3,388,442.38, 5,082,665.40 and 2,127,155.74 is: 3,190,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,442.38 : 5,082,665.40 = 2,127,155.74 : x
  2. Step 2: Convert to fraction form
    3,388,442.38/5,082,665.40 = 2,127,155.74/x
  3. Step 3: Cross multiply
    3,388,442.38x = 5,082,665.40 × 2,127,155.74
  4. Step 4: Simplify right side
    3,388,442.38x = 10,811,620,880,109.40
  5. Step 5: Solve for x
    x = 10,811,620,880,109.40/3,388,442.38
  6. Step 6: Final answer
    x = 3,190,734.76

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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.