Home / 3,121,390.40-4,682,960.40-1,524,005.60

Finding the Fourth Proportional to 3,121,390.40, 4,682,960.40 and 1,524,005.60

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Solution

The fourth proportional to 3,121,390.40, 4,682,960.40 and 1,524,005.60 is: 2,286,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,390.40 : 4,682,960.40 = 1,524,005.60 : x
  2. Step 2: Convert to fraction form
    3,121,390.40/4,682,960.40 = 1,524,005.60/x
  3. Step 3: Cross multiply
    3,121,390.40x = 4,682,960.40 × 1,524,005.60
  4. Step 4: Simplify right side
    3,121,390.40x = 7,136,857,874,178.24
  5. Step 5: Solve for x
    x = 7,136,857,874,178.24/3,121,390.40
  6. Step 6: Final answer
    x = 2,286,435.52

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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.