Home / 3,493,096.40-4,820,129.88-1,965,170.72

Finding the Fourth Proportional to 3,493,096.40, 4,820,129.88 and 1,965,170.72

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Solution

The fourth proportional to 3,493,096.40, 4,820,129.88 and 1,965,170.72 is: 2,711,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493,096.40 : 4,820,129.88 = 1,965,170.72 : x
  2. Step 2: Convert to fraction form
    3,493,096.40/4,820,129.88 = 1,965,170.72/x
  3. Step 3: Cross multiply
    3,493,096.40x = 4,820,129.88 × 1,965,170.72
  4. Step 4: Simplify right side
    3,493,096.40x = 9,472,378,106,773.11
  5. Step 5: Solve for x
    x = 9,472,378,106,773.11/3,493,096.40
  6. Step 6: Final answer
    x = 2,711,742.54

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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.