Home / 1,887,372.80-2,604,481.49-1,071,469.42

Finding the Fourth Proportional to 1,887,372.80, 2,604,481.49 and 1,071,469.42

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Solution

The fourth proportional to 1,887,372.80, 2,604,481.49 and 1,071,469.42 is: 1,478,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,372.80 : 2,604,481.49 = 1,071,469.42 : x
  2. Step 2: Convert to fraction form
    1,887,372.80/2,604,481.49 = 1,071,469.42/x
  3. Step 3: Cross multiply
    1,887,372.80x = 2,604,481.49 × 1,071,469.42
  4. Step 4: Simplify right side
    1,887,372.80x = 2,790,622,267,658.51
  5. Step 5: Solve for x
    x = 2,790,622,267,658.51/1,887,372.80
  6. Step 6: Final answer
    x = 1,478,575.02

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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.