Home / 2,718,890.40-4,078,071.52-825,648.24

Finding the Fourth Proportional to 2,718,890.40, 4,078,071.52 and 825,648.24

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Solution

The fourth proportional to 2,718,890.40, 4,078,071.52 and 825,648.24 is: 1,238,392.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,890.40 : 4,078,071.52 = 825,648.24 : x
  2. Step 2: Convert to fraction form
    2,718,890.40/4,078,071.52 = 825,648.24/x
  3. Step 3: Cross multiply
    2,718,890.40x = 4,078,071.52 × 825,648.24
  4. Step 4: Simplify right side
    2,718,890.40x = 3,367,052,573,082.13
  5. Step 5: Solve for x
    x = 3,367,052,573,082.13/2,718,890.40
  6. Step 6: Final answer
    x = 1,238,392.17

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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.