Home / 3,005,144.75-4,146,890.96-1,781,387.03

Finding the Fourth Proportional to 3,005,144.75, 4,146,890.96 and 1,781,387.03

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Solution

The fourth proportional to 3,005,144.75, 4,146,890.96 and 1,781,387.03 is: 2,458,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,144.75 : 4,146,890.96 = 1,781,387.03 : x
  2. Step 2: Convert to fraction form
    3,005,144.75/4,146,890.96 = 1,781,387.03/x
  3. Step 3: Cross multiply
    3,005,144.75x = 4,146,890.96 × 1,781,387.03
  4. Step 4: Simplify right side
    3,005,144.75x = 7,387,217,754,687.26
  5. Step 5: Solve for x
    x = 7,387,217,754,687.26/3,005,144.75
  6. Step 6: Final answer
    x = 2,458,190.33

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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.