Home / 1,786,189-2,464,979.70-981,373

Finding the Fourth Proportional to 1,786,189, 2,464,979.70 and 981,373

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Solution

The fourth proportional to 1,786,189, 2,464,979.70 and 981,373 is: 1,354,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,189 : 2,464,979.70 = 981,373 : x
  2. Step 2: Convert to fraction form
    1,786,189/2,464,979.70 = 981,373/x
  3. Step 3: Cross multiply
    1,786,189x = 2,464,979.70 × 981,373
  4. Step 4: Simplify right side
    1,786,189x = 2,419,064,523,128.10
  5. Step 5: Solve for x
    x = 2,419,064,523,128.10/1,786,189
  6. Step 6: Final answer
    x = 1,354,316.10

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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.