Home / 2,897,104.89-3,998,739.66-1,979,705.37

Finding the Fourth Proportional to 2,897,104.89, 3,998,739.66 and 1,979,705.37

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Solution

The fourth proportional to 2,897,104.89, 3,998,739.66 and 1,979,705.37 is: 2,732,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,104.89 : 3,998,739.66 = 1,979,705.37 : x
  2. Step 2: Convert to fraction form
    2,897,104.89/3,998,739.66 = 1,979,705.37/x
  3. Step 3: Cross multiply
    2,897,104.89x = 3,998,739.66 × 1,979,705.37
  4. Step 4: Simplify right side
    2,897,104.89x = 7,916,326,378,133.98
  5. Step 5: Solve for x
    x = 7,916,326,378,133.98/2,897,104.89
  6. Step 6: Final answer
    x = 2,732,495.60

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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.