Home / 2,221,309.32-3,331,934.46-538,427.40

Finding the Fourth Proportional to 2,221,309.32, 3,331,934.46 and 538,427.40

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Solution

The fourth proportional to 2,221,309.32, 3,331,934.46 and 538,427.40 is: 807,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,309.32 : 3,331,934.46 = 538,427.40 : x
  2. Step 2: Convert to fraction form
    2,221,309.32/3,331,934.46 = 538,427.40/x
  3. Step 3: Cross multiply
    2,221,309.32x = 3,331,934.46 × 538,427.40
  4. Step 4: Simplify right side
    2,221,309.32x = 1,794,004,808,268.20
  5. Step 5: Solve for x
    x = 1,794,004,808,268.20/2,221,309.32
  6. Step 6: Final answer
    x = 807,633.94

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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.