Home / 1,985,390.04-2,721,992.43-1,949,517.56

Finding the Fourth Proportional to 1,985,390.04, 2,721,992.43 and 1,949,517.56

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Solution

The fourth proportional to 1,985,390.04, 2,721,992.43 and 1,949,517.56 is: 2,672,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,390.04 : 2,721,992.43 = 1,949,517.56 : x
  2. Step 2: Convert to fraction form
    1,985,390.04/2,721,992.43 = 1,949,517.56/x
  3. Step 3: Cross multiply
    1,985,390.04x = 2,721,992.43 × 1,949,517.56
  4. Step 4: Simplify right side
    1,985,390.04x = 5,306,572,040,472.07
  5. Step 5: Solve for x
    x = 5,306,572,040,472.07/1,985,390.04
  6. Step 6: Final answer
    x = 2,672,810.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.