Home / 3,960,022.67-5,929,986.40-3,318,639.81

Finding the Fourth Proportional to 3,960,022.67, 5,929,986.40 and 3,318,639.81

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Solution

The fourth proportional to 3,960,022.67, 5,929,986.40 and 3,318,639.81 is: 4,969,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,022.67 : 5,929,986.40 = 3,318,639.81 : x
  2. Step 2: Convert to fraction form
    3,960,022.67/5,929,986.40 = 3,318,639.81/x
  3. Step 3: Cross multiply
    3,960,022.67x = 5,929,986.40 × 3,318,639.81
  4. Step 4: Simplify right side
    3,960,022.67x = 19,679,488,972,406.79
  5. Step 5: Solve for x
    x = 19,679,488,972,406.79/3,960,022.67
  6. Step 6: Final answer
    x = 4,969,539.47

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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.