Home / 2,916,096.40-4,373,640.24-1,318,287.88

Finding the Fourth Proportional to 2,916,096.40, 4,373,640.24 and 1,318,287.88

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Solution

The fourth proportional to 2,916,096.40, 4,373,640.24 and 1,318,287.88 is: 1,977,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,096.40 : 4,373,640.24 = 1,318,287.88 : x
  2. Step 2: Convert to fraction form
    2,916,096.40/4,373,640.24 = 1,318,287.88/x
  3. Step 3: Cross multiply
    2,916,096.40x = 4,373,640.24 × 1,318,287.88
  4. Step 4: Simplify right side
    2,916,096.40x = 5,765,716,919,872.29
  5. Step 5: Solve for x
    x = 5,765,716,919,872.29/2,916,096.40
  6. Step 6: Final answer
    x = 1,977,203.81

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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.