Home / 2,077,393.60-3,115,507.20-657,884.80

Finding the Fourth Proportional to 2,077,393.60, 3,115,507.20 and 657,884.80

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Solution

The fourth proportional to 2,077,393.60, 3,115,507.20 and 657,884.80 is: 986,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,393.60 : 3,115,507.20 = 657,884.80 : x
  2. Step 2: Convert to fraction form
    2,077,393.60/3,115,507.20 = 657,884.80/x
  3. Step 3: Cross multiply
    2,077,393.60x = 3,115,507.20 × 657,884.80
  4. Step 4: Simplify right side
    2,077,393.60x = 2,049,644,831,170.56
  5. Step 5: Solve for x
    x = 2,049,644,831,170.56/2,077,393.60
  6. Step 6: Final answer
    x = 986,642.51

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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.