Home / 2,134,208.20-3,200,217.90-638,105.80

Finding the Fourth Proportional to 2,134,208.20, 3,200,217.90 and 638,105.80

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Solution

The fourth proportional to 2,134,208.20, 3,200,217.90 and 638,105.80 is: 956,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,208.20 : 3,200,217.90 = 638,105.80 : x
  2. Step 2: Convert to fraction form
    2,134,208.20/3,200,217.90 = 638,105.80/x
  3. Step 3: Cross multiply
    2,134,208.20x = 3,200,217.90 × 638,105.80
  4. Step 4: Simplify right side
    2,134,208.20x = 2,042,077,603,253.82
  5. Step 5: Solve for x
    x = 2,042,077,603,253.82/2,134,208.20
  6. Step 6: Final answer
    x = 956,831.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.