Home / 3,142,824.24-4,336,982.72-1,921,175.76

Finding the Fourth Proportional to 3,142,824.24, 4,336,982.72 and 1,921,175.76

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Solution

The fourth proportional to 3,142,824.24, 4,336,982.72 and 1,921,175.76 is: 2,651,152.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,824.24 : 4,336,982.72 = 1,921,175.76 : x
  2. Step 2: Convert to fraction form
    3,142,824.24/4,336,982.72 = 1,921,175.76/x
  3. Step 3: Cross multiply
    3,142,824.24x = 4,336,982.72 × 1,921,175.76
  4. Step 4: Simplify right side
    3,142,824.24x = 8,332,106,073,202.87
  5. Step 5: Solve for x
    x = 8,332,106,073,202.87/3,142,824.24
  6. Step 6: Final answer
    x = 2,651,152.41

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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.