Home / 3,191,789.65-4,399,524.27-2,158,920.76

Finding the Fourth Proportional to 3,191,789.65, 4,399,524.27 and 2,158,920.76

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Solution

The fourth proportional to 3,191,789.65, 4,399,524.27 and 2,158,920.76 is: 2,975,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,789.65 : 4,399,524.27 = 2,158,920.76 : x
  2. Step 2: Convert to fraction form
    3,191,789.65/4,399,524.27 = 2,158,920.76/x
  3. Step 3: Cross multiply
    3,191,789.65x = 4,399,524.27 × 2,158,920.76
  4. Step 4: Simplify right side
    3,191,789.65x = 9,498,224,280,626.84
  5. Step 5: Solve for x
    x = 9,498,224,280,626.84/3,191,789.65
  6. Step 6: Final answer
    x = 2,975,830.28

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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.