Home / 6,645,821.85-9,172,940.43-4,328,488.80

Finding the Fourth Proportional to 6,645,821.85, 9,172,940.43 and 4,328,488.80

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Solution

The fourth proportional to 6,645,821.85, 9,172,940.43 and 4,328,488.80 is: 5,974,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,821.85 : 9,172,940.43 = 4,328,488.80 : x
  2. Step 2: Convert to fraction form
    6,645,821.85/9,172,940.43 = 4,328,488.80/x
  3. Step 3: Cross multiply
    6,645,821.85x = 9,172,940.43 × 4,328,488.80
  4. Step 4: Simplify right side
    6,645,821.85x = 39,704,969,903,500.96
  5. Step 5: Solve for x
    x = 39,704,969,903,500.96/6,645,821.85
  6. Step 6: Final answer
    x = 5,974,425.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.