Home / 5,985,810.80-8,978,716.20-4,190,721.20

Finding the Fourth Proportional to 5,985,810.80, 8,978,716.20 and 4,190,721.20

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Solution

The fourth proportional to 5,985,810.80, 8,978,716.20 and 4,190,721.20 is: 6,286,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985,810.80 : 8,978,716.20 = 4,190,721.20 : x
  2. Step 2: Convert to fraction form
    5,985,810.80/8,978,716.20 = 4,190,721.20/x
  3. Step 3: Cross multiply
    5,985,810.80x = 8,978,716.20 × 4,190,721.20
  4. Step 4: Simplify right side
    5,985,810.80x = 37,627,296,328,123.44
  5. Step 5: Solve for x
    x = 37,627,296,328,123.44/5,985,810.80
  6. Step 6: Final answer
    x = 6,286,081.80

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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.