Home / 6,645,822.85-9,172,941.81-4,328,489.80

Finding the Fourth Proportional to 6,645,822.85, 9,172,941.81 and 4,328,489.80

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Solution

The fourth proportional to 6,645,822.85, 9,172,941.81 and 4,328,489.80 is: 5,974,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,822.85 : 9,172,941.81 = 4,328,489.80 : x
  2. Step 2: Convert to fraction form
    6,645,822.85/9,172,941.81 = 4,328,489.80/x
  3. Step 3: Cross multiply
    6,645,822.85x = 9,172,941.81 × 4,328,489.80
  4. Step 4: Simplify right side
    6,645,822.85x = 39,704,985,060,578.54
  5. Step 5: Solve for x
    x = 39,704,985,060,578.54/6,645,822.85
  6. Step 6: Final answer
    x = 5,974,427.24

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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.