Home / 2,223,471.76-3,067,264.22-1,406,299.20

Finding the Fourth Proportional to 2,223,471.76, 3,067,264.22 and 1,406,299.20

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Solution

The fourth proportional to 2,223,471.76, 3,067,264.22 and 1,406,299.20 is: 1,939,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223,471.76 : 3,067,264.22 = 1,406,299.20 : x
  2. Step 2: Convert to fraction form
    2,223,471.76/3,067,264.22 = 1,406,299.20/x
  3. Step 3: Cross multiply
    2,223,471.76x = 3,067,264.22 × 1,406,299.20
  4. Step 4: Simplify right side
    2,223,471.76x = 4,313,491,218,774.62
  5. Step 5: Solve for x
    x = 4,313,491,218,774.62/2,223,471.76
  6. Step 6: Final answer
    x = 1,939,980.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.