Home / 5,388,022.70-8,082,034.05-1,398,934.70

Finding the Fourth Proportional to 5,388,022.70, 8,082,034.05 and 1,398,934.70

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Solution

The fourth proportional to 5,388,022.70, 8,082,034.05 and 1,398,934.70 is: 2,098,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,022.70 : 8,082,034.05 = 1,398,934.70 : x
  2. Step 2: Convert to fraction form
    5,388,022.70/8,082,034.05 = 1,398,934.70/x
  3. Step 3: Cross multiply
    5,388,022.70x = 8,082,034.05 × 1,398,934.70
  4. Step 4: Simplify right side
    5,388,022.70x = 11,306,237,879,126.54
  5. Step 5: Solve for x
    x = 11,306,237,879,126.54/5,388,022.70
  6. Step 6: Final answer
    x = 2,098,402.05

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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.