Home / 1,985,977.33-2,740,935.12-1,103,127.88

Finding the Fourth Proportional to 1,985,977.33, 2,740,935.12 and 1,103,127.88

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Solution

The fourth proportional to 1,985,977.33, 2,740,935.12 and 1,103,127.88 is: 1,522,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,977.33 : 2,740,935.12 = 1,103,127.88 : x
  2. Step 2: Convert to fraction form
    1,985,977.33/2,740,935.12 = 1,103,127.88/x
  3. Step 3: Cross multiply
    1,985,977.33x = 2,740,935.12 × 1,103,127.88
  4. Step 4: Simplify right side
    1,985,977.33x = 3,023,601,948,143.15
  5. Step 5: Solve for x
    x = 3,023,601,948,143.15/1,985,977.33
  6. Step 6: Final answer
    x = 1,522,475.56

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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.