Home / 1,391,194.44-1,915,549.56-1,086,501.60

Finding the Fourth Proportional to 1,391,194.44, 1,915,549.56 and 1,086,501.60

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Solution

The fourth proportional to 1,391,194.44, 1,915,549.56 and 1,086,501.60 is: 1,496,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,194.44 : 1,915,549.56 = 1,086,501.60 : x
  2. Step 2: Convert to fraction form
    1,391,194.44/1,915,549.56 = 1,086,501.60/x
  3. Step 3: Cross multiply
    1,391,194.44x = 1,915,549.56 × 1,086,501.60
  4. Step 4: Simplify right side
    1,391,194.44x = 2,081,247,661,819.30
  5. Step 5: Solve for x
    x = 2,081,247,661,819.30/1,391,194.44
  6. Step 6: Final answer
    x = 1,496,014.94

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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.