Home / 2,182,600.14-3,012,081.12-1,215,730.86

Finding the Fourth Proportional to 2,182,600.14, 3,012,081.12 and 1,215,730.86

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Solution

The fourth proportional to 2,182,600.14, 3,012,081.12 and 1,215,730.86 is: 1,677,760.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,600.14 : 3,012,081.12 = 1,215,730.86 : x
  2. Step 2: Convert to fraction form
    2,182,600.14/3,012,081.12 = 1,215,730.86/x
  3. Step 3: Cross multiply
    2,182,600.14x = 3,012,081.12 × 1,215,730.86
  4. Step 4: Simplify right side
    2,182,600.14x = 3,661,879,969,255.09
  5. Step 5: Solve for x
    x = 3,661,879,969,255.09/2,182,600.14
  6. Step 6: Final answer
    x = 1,677,760.34

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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.