Home / 2,755,702.21-4,131,322.75-861,468.61

Finding the Fourth Proportional to 2,755,702.21, 4,131,322.75 and 861,468.61

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Solution

The fourth proportional to 2,755,702.21, 4,131,322.75 and 861,468.61 is: 1,291,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755,702.21 : 4,131,322.75 = 861,468.61 : x
  2. Step 2: Convert to fraction form
    2,755,702.21/4,131,322.75 = 861,468.61/x
  3. Step 3: Cross multiply
    2,755,702.21x = 4,131,322.75 × 861,468.61
  4. Step 4: Simplify right side
    2,755,702.21x = 3,559,004,866,903.88
  5. Step 5: Solve for x
    x = 3,559,004,866,903.88/2,755,702.21
  6. Step 6: Final answer
    x = 1,291,505.61

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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.