Home / 1,541,743.12-2,127,579.74-853,400.21

Finding the Fourth Proportional to 1,541,743.12, 2,127,579.74 and 853,400.21

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Solution

The fourth proportional to 1,541,743.12, 2,127,579.74 and 853,400.21 is: 1,177,678.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,743.12 : 2,127,579.74 = 853,400.21 : x
  2. Step 2: Convert to fraction form
    1,541,743.12/2,127,579.74 = 853,400.21/x
  3. Step 3: Cross multiply
    1,541,743.12x = 2,127,579.74 × 853,400.21
  4. Step 4: Simplify right side
    1,541,743.12x = 1,815,676,997,170.73
  5. Step 5: Solve for x
    x = 1,815,676,997,170.73/1,541,743.12
  6. Step 6: Final answer
    x = 1,177,678.03

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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.