Home / 2,685,163.20-4,027,831.20-1,002,436.80

Finding the Fourth Proportional to 2,685,163.20, 4,027,831.20 and 1,002,436.80

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Solution

The fourth proportional to 2,685,163.20, 4,027,831.20 and 1,002,436.80 is: 1,503,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,163.20 : 4,027,831.20 = 1,002,436.80 : x
  2. Step 2: Convert to fraction form
    2,685,163.20/4,027,831.20 = 1,002,436.80/x
  3. Step 3: Cross multiply
    2,685,163.20x = 4,027,831.20 × 1,002,436.80
  4. Step 4: Simplify right side
    2,685,163.20x = 4,037,646,219,068.16
  5. Step 5: Solve for x
    x = 4,037,646,219,068.16/2,685,163.20
  6. Step 6: Final answer
    x = 1,503,687.46

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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.