Home / 2,388,672.78-3,296,665.18-1,356,512.11

Finding the Fourth Proportional to 2,388,672.78, 3,296,665.18 and 1,356,512.11

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Solution

The fourth proportional to 2,388,672.78, 3,296,665.18 and 1,356,512.11 is: 1,872,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388,672.78 : 3,296,665.18 = 1,356,512.11 : x
  2. Step 2: Convert to fraction form
    2,388,672.78/3,296,665.18 = 1,356,512.11/x
  3. Step 3: Cross multiply
    2,388,672.78x = 3,296,665.18 × 1,356,512.11
  4. Step 4: Simplify right side
    2,388,672.78x = 4,471,966,239,285.33
  5. Step 5: Solve for x
    x = 4,471,966,239,285.33/2,388,672.78
  6. Step 6: Final answer
    x = 1,872,155.23

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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.