Home / 2,172,366-3,258,708.91-574,918.31

Finding the Fourth Proportional to 2,172,366, 3,258,708.91 and 574,918.31

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Solution

The fourth proportional to 2,172,366, 3,258,708.91 and 574,918.31 is: 862,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,366 : 3,258,708.91 = 574,918.31 : x
  2. Step 2: Convert to fraction form
    2,172,366/3,258,708.91 = 574,918.31/x
  3. Step 3: Cross multiply
    2,172,366x = 3,258,708.91 × 574,918.31
  4. Step 4: Simplify right side
    2,172,366x = 1,873,491,426,028.62
  5. Step 5: Solve for x
    x = 1,873,491,426,028.62/2,172,366
  6. Step 6: Final answer
    x = 862,419.79

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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.