Home / 1,902,419.64-2,625,338.40-1,042,961.46

Finding the Fourth Proportional to 1,902,419.64, 2,625,338.40 and 1,042,961.46

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Solution

The fourth proportional to 1,902,419.64, 2,625,338.40 and 1,042,961.46 is: 1,439,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,419.64 : 2,625,338.40 = 1,042,961.46 : x
  2. Step 2: Convert to fraction form
    1,902,419.64/2,625,338.40 = 1,042,961.46/x
  3. Step 3: Cross multiply
    1,902,419.64x = 2,625,338.40 × 1,042,961.46
  4. Step 4: Simplify right side
    1,902,419.64x = 2,738,126,770,658.06
  5. Step 5: Solve for x
    x = 2,738,126,770,658.06/1,902,419.64
  6. Step 6: Final answer
    x = 1,439,286.43

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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.