Home / 2,578,585.44-3,868,578-781,396.32

Finding the Fourth Proportional to 2,578,585.44, 3,868,578 and 781,396.32

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Solution

The fourth proportional to 2,578,585.44, 3,868,578 and 781,396.32 is: 1,172,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,585.44 : 3,868,578 = 781,396.32 : x
  2. Step 2: Convert to fraction form
    2,578,585.44/3,868,578 = 781,396.32/x
  3. Step 3: Cross multiply
    2,578,585.44x = 3,868,578 × 781,396.32
  4. Step 4: Simplify right side
    2,578,585.44x = 3,022,892,612,832.96
  5. Step 5: Solve for x
    x = 3,022,892,612,832.96/2,578,585.44
  6. Step 6: Final answer
    x = 1,172,306.55

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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.