Home / 1,819,745.15-2,729,519.24-557,576.42

Finding the Fourth Proportional to 1,819,745.15, 2,729,519.24 and 557,576.42

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Solution

The fourth proportional to 1,819,745.15, 2,729,519.24 and 557,576.42 is: 836,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,745.15 : 2,729,519.24 = 557,576.42 : x
  2. Step 2: Convert to fraction form
    1,819,745.15/2,729,519.24 = 557,576.42/x
  3. Step 3: Cross multiply
    1,819,745.15x = 2,729,519.24 × 557,576.42
  4. Step 4: Simplify right side
    1,819,745.15x = 1,521,915,549,724.84
  5. Step 5: Solve for x
    x = 1,521,915,549,724.84/1,819,745.15
  6. Step 6: Final answer
    x = 836,334.45

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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.