Home / 3,996,647.76-5,515,040.69-2,254,221.12

Finding the Fourth Proportional to 3,996,647.76, 5,515,040.69 and 2,254,221.12

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Solution

The fourth proportional to 3,996,647.76, 5,515,040.69 and 2,254,221.12 is: 3,110,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,647.76 : 5,515,040.69 = 2,254,221.12 : x
  2. Step 2: Convert to fraction form
    3,996,647.76/5,515,040.69 = 2,254,221.12/x
  3. Step 3: Cross multiply
    3,996,647.76x = 5,515,040.69 × 2,254,221.12
  4. Step 4: Simplify right side
    3,996,647.76x = 12,432,121,189,786.27
  5. Step 5: Solve for x
    x = 12,432,121,189,786.27/3,996,647.76
  6. Step 6: Final answer
    x = 3,110,637.20

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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.