Home / 1,615,980.32-2,234,083.92-1,212,872.48

Finding the Fourth Proportional to 1,615,980.32, 2,234,083.92 and 1,212,872.48

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Solution

The fourth proportional to 1,615,980.32, 2,234,083.92 and 1,212,872.48 is: 1,676,789.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,980.32 : 2,234,083.92 = 1,212,872.48 : x
  2. Step 2: Convert to fraction form
    1,615,980.32/2,234,083.92 = 1,212,872.48/x
  3. Step 3: Cross multiply
    1,615,980.32x = 2,234,083.92 × 1,212,872.48
  4. Step 4: Simplify right side
    1,615,980.32x = 2,709,658,904,578.52
  5. Step 5: Solve for x
    x = 2,709,658,904,578.52/1,615,980.32
  6. Step 6: Final answer
    x = 1,676,789.54

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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.