Home / 3,589,771.20-5,384,656.80-1,315,291.20

Finding the Fourth Proportional to 3,589,771.20, 5,384,656.80 and 1,315,291.20

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Solution

The fourth proportional to 3,589,771.20, 5,384,656.80 and 1,315,291.20 is: 1,972,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589,771.20 : 5,384,656.80 = 1,315,291.20 : x
  2. Step 2: Convert to fraction form
    3,589,771.20/5,384,656.80 = 1,315,291.20/x
  3. Step 3: Cross multiply
    3,589,771.20x = 5,384,656.80 × 1,315,291.20
  4. Step 4: Simplify right side
    3,589,771.20x = 7,082,391,704,060.16
  5. Step 5: Solve for x
    x = 7,082,391,704,060.16/3,589,771.20
  6. Step 6: Final answer
    x = 1,972,936.80

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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.