Home / 6,645,823.26-9,172,942.37-4,328,490.21

Finding the Fourth Proportional to 6,645,823.26, 9,172,942.37 and 4,328,490.21

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Solution

The fourth proportional to 6,645,823.26, 9,172,942.37 and 4,328,490.21 is: 5,974,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,823.26 : 9,172,942.37 = 4,328,490.21 : x
  2. Step 2: Convert to fraction form
    6,645,823.26/9,172,942.37 = 4,328,490.21/x
  3. Step 3: Cross multiply
    6,645,823.26x = 9,172,942.37 × 4,328,490.21
  4. Step 4: Simplify right side
    6,645,823.26x = 39,704,991,245,439.20
  5. Step 5: Solve for x
    x = 39,704,991,245,439.20/6,645,823.26
  6. Step 6: Final answer
    x = 5,974,427.80

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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.