Home / 3,211,100.33-4,431,523.30-2,121,460.38

Finding the Fourth Proportional to 3,211,100.33, 4,431,523.30 and 2,121,460.38

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Solution

The fourth proportional to 3,211,100.33, 4,431,523.30 and 2,121,460.38 is: 2,927,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,100.33 : 4,431,523.30 = 2,121,460.38 : x
  2. Step 2: Convert to fraction form
    3,211,100.33/4,431,523.30 = 2,121,460.38/x
  3. Step 3: Cross multiply
    3,211,100.33x = 4,431,523.30 × 2,121,460.38
  4. Step 4: Simplify right side
    3,211,100.33x = 9,401,301,098,693.20
  5. Step 5: Solve for x
    x = 9,401,301,098,693.20/3,211,100.33
  6. Step 6: Final answer
    x = 2,927,750.66

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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.