Home / 1,902,139.08-2,625,789.60-1,331,419.56

Finding the Fourth Proportional to 1,902,139.08, 2,625,789.60 and 1,331,419.56

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Solution

The fourth proportional to 1,902,139.08, 2,625,789.60 and 1,331,419.56 is: 1,837,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,139.08 : 2,625,789.60 = 1,331,419.56 : x
  2. Step 2: Convert to fraction form
    1,902,139.08/2,625,789.60 = 1,331,419.56/x
  3. Step 3: Cross multiply
    1,902,139.08x = 2,625,789.60 × 1,331,419.56
  4. Step 4: Simplify right side
    1,902,139.08x = 3,496,027,633,884.58
  5. Step 5: Solve for x
    x = 3,496,027,633,884.58/1,902,139.08
  6. Step 6: Final answer
    x = 1,837,945.33

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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.