Home / 3,150,192.80-4,345,454.40-1,988,226.11

Finding the Fourth Proportional to 3,150,192.80, 4,345,454.40 and 1,988,226.11

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Solution

The fourth proportional to 3,150,192.80, 4,345,454.40 and 1,988,226.11 is: 2,742,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,192.80 : 4,345,454.40 = 1,988,226.11 : x
  2. Step 2: Convert to fraction form
    3,150,192.80/4,345,454.40 = 1,988,226.11/x
  3. Step 3: Cross multiply
    3,150,192.80x = 4,345,454.40 × 1,988,226.11
  4. Step 4: Simplify right side
    3,150,192.80x = 8,639,745,897,894.39
  5. Step 5: Solve for x
    x = 8,639,745,897,894.39/3,150,192.80
  6. Step 6: Final answer
    x = 2,742,608.61

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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.