Home / 5,157,449.35-7,117,151.57-2,865,615.91

Finding the Fourth Proportional to 5,157,449.35, 7,117,151.57 and 2,865,615.91

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Solution

The fourth proportional to 5,157,449.35, 7,117,151.57 and 2,865,615.91 is: 3,954,478.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,449.35 : 7,117,151.57 = 2,865,615.91 : x
  2. Step 2: Convert to fraction form
    5,157,449.35/7,117,151.57 = 2,865,615.91/x
  3. Step 3: Cross multiply
    5,157,449.35x = 7,117,151.57 × 2,865,615.91
  4. Step 4: Simplify right side
    5,157,449.35x = 20,395,022,751,498.58
  5. Step 5: Solve for x
    x = 20,395,022,751,498.58/5,157,449.35
  6. Step 6: Final answer
    x = 3,954,478.54

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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.