Home / 1,972,003.10-2,956,276.65-1,338,863.90

Finding the Fourth Proportional to 1,972,003.10, 2,956,276.65 and 1,338,863.90

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Solution

The fourth proportional to 1,972,003.10, 2,956,276.65 and 1,338,863.90 is: 2,007,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,003.10 : 2,956,276.65 = 1,338,863.90 : x
  2. Step 2: Convert to fraction form
    1,972,003.10/2,956,276.65 = 1,338,863.90/x
  3. Step 3: Cross multiply
    1,972,003.10x = 2,956,276.65 × 1,338,863.90
  4. Step 4: Simplify right side
    1,972,003.10x = 3,958,052,085,097.93
  5. Step 5: Solve for x
    x = 3,958,052,085,097.93/1,972,003.10
  6. Step 6: Final answer
    x = 2,007,122.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.