Home / 2,115,332.12-3,174,080.31-1,007,442.57

Finding the Fourth Proportional to 2,115,332.12, 3,174,080.31 and 1,007,442.57

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Solution

The fourth proportional to 2,115,332.12, 3,174,080.31 and 1,007,442.57 is: 1,511,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,332.12 : 3,174,080.31 = 1,007,442.57 : x
  2. Step 2: Convert to fraction form
    2,115,332.12/3,174,080.31 = 1,007,442.57/x
  3. Step 3: Cross multiply
    2,115,332.12x = 3,174,080.31 × 1,007,442.57
  4. Step 4: Simplify right side
    2,115,332.12x = 3,197,703,624,892.80
  5. Step 5: Solve for x
    x = 3,197,703,624,892.80/2,115,332.12
  6. Step 6: Final answer
    x = 1,511,679.23

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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.