Home / 3,977,447.24-5,966,406.64-1,245,505.61

Finding the Fourth Proportional to 3,977,447.24, 5,966,406.64 and 1,245,505.61

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Solution

The fourth proportional to 3,977,447.24, 5,966,406.64 and 1,245,505.61 is: 1,868,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,447.24 : 5,966,406.64 = 1,245,505.61 : x
  2. Step 2: Convert to fraction form
    3,977,447.24/5,966,406.64 = 1,245,505.61/x
  3. Step 3: Cross multiply
    3,977,447.24x = 5,966,406.64 × 1,245,505.61
  4. Step 4: Simplify right side
    3,977,447.24x = 7,431,192,958,134.15
  5. Step 5: Solve for x
    x = 7,431,192,958,134.15/3,977,447.24
  6. Step 6: Final answer
    x = 1,868,332.25

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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.