Home / 2,081,149.38-3,121,707.87-1,070,554.50

Finding the Fourth Proportional to 2,081,149.38, 3,121,707.87 and 1,070,554.50

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Solution

The fourth proportional to 2,081,149.38, 3,121,707.87 and 1,070,554.50 is: 1,605,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,149.38 : 3,121,707.87 = 1,070,554.50 : x
  2. Step 2: Convert to fraction form
    2,081,149.38/3,121,707.87 = 1,070,554.50/x
  3. Step 3: Cross multiply
    2,081,149.38x = 3,121,707.87 × 1,070,554.50
  4. Step 4: Simplify right side
    2,081,149.38x = 3,341,958,407,913.92
  5. Step 5: Solve for x
    x = 3,341,958,407,913.92/2,081,149.38
  6. Step 6: Final answer
    x = 1,605,823.42

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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.