Home / 2,405,542.39-3,319,648.31-1,438,672.66

Finding the Fourth Proportional to 2,405,542.39, 3,319,648.31 and 1,438,672.66

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Solution

The fourth proportional to 2,405,542.39, 3,319,648.31 and 1,438,672.66 is: 1,985,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,542.39 : 3,319,648.31 = 1,438,672.66 : x
  2. Step 2: Convert to fraction form
    2,405,542.39/3,319,648.31 = 1,438,672.66/x
  3. Step 3: Cross multiply
    2,405,542.39x = 3,319,648.31 × 1,438,672.66
  4. Step 4: Simplify right side
    2,405,542.39x = 4,775,887,259,709.77
  5. Step 5: Solve for x
    x = 4,775,887,259,709.77/2,405,542.39
  6. Step 6: Final answer
    x = 1,985,368.16

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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.