Home / 3,022,111.68-4,170,374.67-1,645,451.20

Finding the Fourth Proportional to 3,022,111.68, 4,170,374.67 and 1,645,451.20

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Solution

The fourth proportional to 3,022,111.68, 4,170,374.67 and 1,645,451.20 is: 2,270,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022,111.68 : 4,170,374.67 = 1,645,451.20 : x
  2. Step 2: Convert to fraction form
    3,022,111.68/4,170,374.67 = 1,645,451.20/x
  3. Step 3: Cross multiply
    3,022,111.68x = 4,170,374.67 × 1,645,451.20
  4. Step 4: Simplify right side
    3,022,111.68x = 6,862,148,005,201.10
  5. Step 5: Solve for x
    x = 6,862,148,005,201.10/3,022,111.68
  6. Step 6: Final answer
    x = 2,270,646.73

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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.