Home / 3,879,522-5,353,356.96-2,160,802.44

Finding the Fourth Proportional to 3,879,522, 5,353,356.96 and 2,160,802.44

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Solution

The fourth proportional to 3,879,522, 5,353,356.96 and 2,160,802.44 is: 2,981,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,522 : 5,353,356.96 = 2,160,802.44 : x
  2. Step 2: Convert to fraction form
    3,879,522/5,353,356.96 = 2,160,802.44/x
  3. Step 3: Cross multiply
    3,879,522x = 5,353,356.96 × 2,160,802.44
  4. Step 4: Simplify right side
    3,879,522x = 11,567,546,781,358.98
  5. Step 5: Solve for x
    x = 11,567,546,781,358.98/3,879,522
  6. Step 6: Final answer
    x = 2,981,693.82

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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.