Home / 1,536,538.20-2,120,540.22-848,342.76

Finding the Fourth Proportional to 1,536,538.20, 2,120,540.22 and 848,342.76

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Solution

The fourth proportional to 1,536,538.20, 2,120,540.22 and 848,342.76 is: 1,170,777.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,538.20 : 2,120,540.22 = 848,342.76 : x
  2. Step 2: Convert to fraction form
    1,536,538.20/2,120,540.22 = 848,342.76/x
  3. Step 3: Cross multiply
    1,536,538.20x = 2,120,540.22 × 848,342.76
  4. Step 4: Simplify right side
    1,536,538.20x = 1,798,944,942,925.81
  5. Step 5: Solve for x
    x = 1,798,944,942,925.81/1,536,538.20
  6. Step 6: Final answer
    x = 1,170,777.88

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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.