Home / 2,397,311.31-3,308,354.40-1,431,002.13

Finding the Fourth Proportional to 2,397,311.31, 3,308,354.40 and 1,431,002.13

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Solution

The fourth proportional to 2,397,311.31, 3,308,354.40 and 1,431,002.13 is: 1,974,821.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397,311.31 : 3,308,354.40 = 1,431,002.13 : x
  2. Step 2: Convert to fraction form
    2,397,311.31/3,308,354.40 = 1,431,002.13/x
  3. Step 3: Cross multiply
    2,397,311.31x = 3,308,354.40 × 1,431,002.13
  4. Step 4: Simplify right side
    2,397,311.31x = 4,734,262,193,194.87
  5. Step 5: Solve for x
    x = 4,734,262,193,194.87/2,397,311.31
  6. Step 6: Final answer
    x = 1,974,821.62

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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.