Home / 2,479,342.92-3,421,230.39-1,391,734.14

Finding the Fourth Proportional to 2,479,342.92, 3,421,230.39 and 1,391,734.14

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Solution

The fourth proportional to 2,479,342.92, 3,421,230.39 and 1,391,734.14 is: 1,920,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,342.92 : 3,421,230.39 = 1,391,734.14 : x
  2. Step 2: Convert to fraction form
    2,479,342.92/3,421,230.39 = 1,391,734.14/x
  3. Step 3: Cross multiply
    2,479,342.92x = 3,421,230.39 × 1,391,734.14
  4. Step 4: Simplify right side
    2,479,342.92x = 4,761,443,134,568.51
  5. Step 5: Solve for x
    x = 4,761,443,134,568.51/2,479,342.92
  6. Step 6: Final answer
    x = 1,920,445.57

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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.