Home / 3,876,064.74-5,348,969.36-2,157,591.22

Finding the Fourth Proportional to 3,876,064.74, 5,348,969.36 and 2,157,591.22

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Solution

The fourth proportional to 3,876,064.74, 5,348,969.36 and 2,157,591.22 is: 2,977,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,064.74 : 5,348,969.36 = 2,157,591.22 : x
  2. Step 2: Convert to fraction form
    3,876,064.74/5,348,969.36 = 2,157,591.22/x
  3. Step 3: Cross multiply
    3,876,064.74x = 5,348,969.36 × 2,157,591.22
  4. Step 4: Simplify right side
    3,876,064.74x = 11,540,889,327,185.02
  5. Step 5: Solve for x
    x = 11,540,889,327,185.02/3,876,064.74
  6. Step 6: Final answer
    x = 2,977,475.89

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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.