Home / 3,242,120.61-4,476,189.91-2,020,221.24

Finding the Fourth Proportional to 3,242,120.61, 4,476,189.91 and 2,020,221.24

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Solution

The fourth proportional to 3,242,120.61, 4,476,189.91 and 2,020,221.24 is: 2,789,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242,120.61 : 4,476,189.91 = 2,020,221.24 : x
  2. Step 2: Convert to fraction form
    3,242,120.61/4,476,189.91 = 2,020,221.24/x
  3. Step 3: Cross multiply
    3,242,120.61x = 4,476,189.91 × 2,020,221.24
  4. Step 4: Simplify right side
    3,242,120.61x = 9,042,893,906,725.47
  5. Step 5: Solve for x
    x = 9,042,893,906,725.47/3,242,120.61
  6. Step 6: Final answer
    x = 2,789,191.08

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1.5x scale

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.