Home / 5,726,719.92-7,902,802.56-3,148,378.16

Finding the Fourth Proportional to 5,726,719.92, 7,902,802.56 and 3,148,378.16

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Solution

The fourth proportional to 5,726,719.92, 7,902,802.56 and 3,148,378.16 is: 4,344,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726,719.92 : 7,902,802.56 = 3,148,378.16 : x
  2. Step 2: Convert to fraction form
    5,726,719.92/7,902,802.56 = 3,148,378.16/x
  3. Step 3: Cross multiply
    5,726,719.92x = 7,902,802.56 × 3,148,378.16
  4. Step 4: Simplify right side
    5,726,719.92x = 24,881,010,982,696.09
  5. Step 5: Solve for x
    x = 24,881,010,982,696.09/5,726,719.92
  6. Step 6: Final answer
    x = 4,344,722.87

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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.