Home / 3,890,163.15-5,835,162.25-1,296,655.43

Finding the Fourth Proportional to 3,890,163.15, 5,835,162.25 and 1,296,655.43

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Solution

The fourth proportional to 3,890,163.15, 5,835,162.25 and 1,296,655.43 is: 1,944,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,163.15 : 5,835,162.25 = 1,296,655.43 : x
  2. Step 2: Convert to fraction form
    3,890,163.15/5,835,162.25 = 1,296,655.43/x
  3. Step 3: Cross multiply
    3,890,163.15x = 5,835,162.25 × 1,296,655.43
  4. Step 4: Simplify right side
    3,890,163.15x = 7,566,194,827,739.78
  5. Step 5: Solve for x
    x = 7,566,194,827,739.78/3,890,163.15
  6. Step 6: Final answer
    x = 1,944,955.66

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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.