Home / 2,165,203.96-2,987,889.60-1,198,243.78

Finding the Fourth Proportional to 2,165,203.96, 2,987,889.60 and 1,198,243.78

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Solution

The fourth proportional to 2,165,203.96, 2,987,889.60 and 1,198,243.78 is: 1,653,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,203.96 : 2,987,889.60 = 1,198,243.78 : x
  2. Step 2: Convert to fraction form
    2,165,203.96/2,987,889.60 = 1,198,243.78/x
  3. Step 3: Cross multiply
    2,165,203.96x = 2,987,889.60 × 1,198,243.78
  4. Step 4: Simplify right side
    2,165,203.96x = 3,580,220,128,526.69
  5. Step 5: Solve for x
    x = 3,580,220,128,526.69/2,165,203.96
  6. Step 6: Final answer
    x = 1,653,525.58

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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.