Home / 5,786,712.72-7,987,730.22-3,949,856.28

Finding the Fourth Proportional to 5,786,712.72, 7,987,730.22 and 3,949,856.28

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Solution

The fourth proportional to 5,786,712.72, 7,987,730.22 and 3,949,856.28 is: 5,452,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786,712.72 : 7,987,730.22 = 3,949,856.28 : x
  2. Step 2: Convert to fraction form
    5,786,712.72/7,987,730.22 = 3,949,856.28/x
  3. Step 3: Cross multiply
    5,786,712.72x = 7,987,730.22 × 3,949,856.28
  4. Step 4: Simplify right side
    5,786,712.72x = 31,550,386,372,412.78
  5. Step 5: Solve for x
    x = 31,550,386,372,412.78/5,786,712.72
  6. Step 6: Final answer
    x = 5,452,212.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.