Home / 2,172,371.25-3,258,716.81-574,923.59

Finding the Fourth Proportional to 2,172,371.25, 3,258,716.81 and 574,923.59

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Solution

The fourth proportional to 2,172,371.25, 3,258,716.81 and 574,923.59 is: 862,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,371.25 : 3,258,716.81 = 574,923.59 : x
  2. Step 2: Convert to fraction form
    2,172,371.25/3,258,716.81 = 574,923.59/x
  3. Step 3: Cross multiply
    2,172,371.25x = 3,258,716.81 × 574,923.59
  4. Step 4: Simplify right side
    2,172,371.25x = 1,873,513,148,030.35
  5. Step 5: Solve for x
    x = 1,873,513,148,030.35/2,172,371.25
  6. Step 6: Final answer
    x = 862,427.70

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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.