Home / 2,115,330.12-3,174,077.31-1,007,440.57

Finding the Fourth Proportional to 2,115,330.12, 3,174,077.31 and 1,007,440.57

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Solution

The fourth proportional to 2,115,330.12, 3,174,077.31 and 1,007,440.57 is: 1,511,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,330.12 : 3,174,077.31 = 1,007,440.57 : x
  2. Step 2: Convert to fraction form
    2,115,330.12/3,174,077.31 = 1,007,440.57/x
  3. Step 3: Cross multiply
    2,115,330.12x = 3,174,077.31 × 1,007,440.57
  4. Step 4: Simplify right side
    2,115,330.12x = 3,197,694,254,600.16
  5. Step 5: Solve for x
    x = 3,197,694,254,600.16/2,115,330.12
  6. Step 6: Final answer
    x = 1,511,676.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.