Home / 6,639,421.45-9,943,166.42-3,790,899.85

Finding the Fourth Proportional to 6,639,421.45, 9,943,166.42 and 3,790,899.85

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Solution

The fourth proportional to 6,639,421.45, 9,943,166.42 and 3,790,899.85 is: 5,677,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,421.45 : 9,943,166.42 = 3,790,899.85 : x
  2. Step 2: Convert to fraction form
    6,639,421.45/9,943,166.42 = 3,790,899.85/x
  3. Step 3: Cross multiply
    6,639,421.45x = 9,943,166.42 × 3,790,899.85
  4. Step 4: Simplify right side
    6,639,421.45x = 37,693,548,071,148.54
  5. Step 5: Solve for x
    x = 37,693,548,071,148.54/6,639,421.45
  6. Step 6: Final answer
    x = 5,677,233.83

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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.