Home / 3,926,426.40-5,889,770.64-1,086,300.72

Finding the Fourth Proportional to 3,926,426.40, 5,889,770.64 and 1,086,300.72

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Solution

The fourth proportional to 3,926,426.40, 5,889,770.64 and 1,086,300.72 is: 1,629,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,426.40 : 5,889,770.64 = 1,086,300.72 : x
  2. Step 2: Convert to fraction form
    3,926,426.40/5,889,770.64 = 1,086,300.72/x
  3. Step 3: Cross multiply
    3,926,426.40x = 5,889,770.64 × 1,086,300.72
  4. Step 4: Simplify right side
    3,926,426.40x = 6,398,062,086,866.86
  5. Step 5: Solve for x
    x = 6,398,062,086,866.86/3,926,426.40
  6. Step 6: Final answer
    x = 1,629,487.33

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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.