Home / 1,922,958.38-2,654,499.65-1,198,164.20

Finding the Fourth Proportional to 1,922,958.38, 2,654,499.65 and 1,198,164.20

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Solution

The fourth proportional to 1,922,958.38, 2,654,499.65 and 1,198,164.20 is: 1,653,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,958.38 : 2,654,499.65 = 1,198,164.20 : x
  2. Step 2: Convert to fraction form
    1,922,958.38/2,654,499.65 = 1,198,164.20/x
  3. Step 3: Cross multiply
    1,922,958.38x = 2,654,499.65 × 1,198,164.20
  4. Step 4: Simplify right side
    1,922,958.38x = 3,180,526,430,279.21
  5. Step 5: Solve for x
    x = 3,180,526,430,279.21/1,922,958.38
  6. Step 6: Final answer
    x = 1,653,975.70

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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.