Home / 5,081,430.70-7,012,514.73-2,876,118.22

Finding the Fourth Proportional to 5,081,430.70, 7,012,514.73 and 2,876,118.22

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Solution

The fourth proportional to 5,081,430.70, 7,012,514.73 and 2,876,118.22 is: 3,969,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081,430.70 : 7,012,514.73 = 2,876,118.22 : x
  2. Step 2: Convert to fraction form
    5,081,430.70/7,012,514.73 = 2,876,118.22/x
  3. Step 3: Cross multiply
    5,081,430.70x = 7,012,514.73 × 2,876,118.22
  4. Step 4: Simplify right side
    5,081,430.70x = 20,168,821,382,971.38
  5. Step 5: Solve for x
    x = 20,168,821,382,971.38/5,081,430.70
  6. Step 6: Final answer
    x = 3,969,122.59

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Double scale
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1.5x scale

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.