Home / 2,181,629.60-3,272,435.47-665,308.08

Finding the Fourth Proportional to 2,181,629.60, 3,272,435.47 and 665,308.08

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Solution

The fourth proportional to 2,181,629.60, 3,272,435.47 and 665,308.08 is: 997,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,629.60 : 3,272,435.47 = 665,308.08 : x
  2. Step 2: Convert to fraction form
    2,181,629.60/3,272,435.47 = 665,308.08/x
  3. Step 3: Cross multiply
    2,181,629.60x = 3,272,435.47 × 665,308.08
  4. Step 4: Simplify right side
    2,181,629.60x = 2,177,177,759,469.60
  5. Step 5: Solve for x
    x = 2,177,177,759,469.60/2,181,629.60
  6. Step 6: Final answer
    x = 997,959.40

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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.