Home / 3,909,169.32-5,394,650.02-2,190,302.13

Finding the Fourth Proportional to 3,909,169.32, 5,394,650.02 and 2,190,302.13

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Solution

The fourth proportional to 3,909,169.32, 5,394,650.02 and 2,190,302.13 is: 3,022,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,169.32 : 5,394,650.02 = 2,190,302.13 : x
  2. Step 2: Convert to fraction form
    3,909,169.32/5,394,650.02 = 2,190,302.13/x
  3. Step 3: Cross multiply
    3,909,169.32x = 5,394,650.02 × 2,190,302.13
  4. Step 4: Simplify right side
    3,909,169.32x = 11,815,913,429,410.54
  5. Step 5: Solve for x
    x = 11,815,913,429,410.54/3,909,169.32
  6. Step 6: Final answer
    x = 3,022,614.90

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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.