Home / 5,413,076.64-8,120,361.24-1,819,122.03

Finding the Fourth Proportional to 5,413,076.64, 8,120,361.24 and 1,819,122.03

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Solution

The fourth proportional to 5,413,076.64, 8,120,361.24 and 1,819,122.03 is: 2,728,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413,076.64 : 8,120,361.24 = 1,819,122.03 : x
  2. Step 2: Convert to fraction form
    5,413,076.64/8,120,361.24 = 1,819,122.03/x
  3. Step 3: Cross multiply
    5,413,076.64x = 8,120,361.24 × 1,819,122.03
  4. Step 4: Simplify right side
    5,413,076.64x = 14,771,927,973,544.70
  5. Step 5: Solve for x
    x = 14,771,927,973,544.70/5,413,076.64
  6. Step 6: Final answer
    x = 2,728,933.83

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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.