Home / 3,191,788.65-4,399,522.89-2,158,919.76

Finding the Fourth Proportional to 3,191,788.65, 4,399,522.89 and 2,158,919.76

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Solution

The fourth proportional to 3,191,788.65, 4,399,522.89 and 2,158,919.76 is: 2,975,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,788.65 : 4,399,522.89 = 2,158,919.76 : x
  2. Step 2: Convert to fraction form
    3,191,788.65/4,399,522.89 = 2,158,919.76/x
  3. Step 3: Cross multiply
    3,191,788.65x = 4,399,522.89 × 2,158,919.76
  4. Step 4: Simplify right side
    3,191,788.65x = 9,498,216,901,793.31
  5. Step 5: Solve for x
    x = 9,498,216,901,793.31/3,191,788.65
  6. Step 6: Final answer
    x = 2,975,828.90

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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.