Home / 2,378,319.89-3,567,469.77-861,647.22

Finding the Fourth Proportional to 2,378,319.89, 3,567,469.77 and 861,647.22

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Solution

The fourth proportional to 2,378,319.89, 3,567,469.77 and 861,647.22 is: 1,292,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,319.89 : 3,567,469.77 = 861,647.22 : x
  2. Step 2: Convert to fraction form
    2,378,319.89/3,567,469.77 = 861,647.22/x
  3. Step 3: Cross multiply
    2,378,319.89x = 3,567,469.77 × 861,647.22
  4. Step 4: Simplify right side
    2,378,319.89x = 3,073,900,409,754.54
  5. Step 5: Solve for x
    x = 3,073,900,409,754.54/2,378,319.89
  6. Step 6: Final answer
    x = 1,292,467.19

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Double scale
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1.5x scale

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.