Home / 4,115,369.89-5,678,796.50-2,279,485.22

Finding the Fourth Proportional to 4,115,369.89, 5,678,796.50 and 2,279,485.22

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Solution

The fourth proportional to 4,115,369.89, 5,678,796.50 and 2,279,485.22 is: 3,145,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115,369.89 : 5,678,796.50 = 2,279,485.22 : x
  2. Step 2: Convert to fraction form
    4,115,369.89/5,678,796.50 = 2,279,485.22/x
  3. Step 3: Cross multiply
    4,115,369.89x = 5,678,796.50 × 2,279,485.22
  4. Step 4: Simplify right side
    4,115,369.89x = 12,944,732,673,866.01
  5. Step 5: Solve for x
    x = 12,944,732,673,866.01/4,115,369.89
  6. Step 6: Final answer
    x = 3,145,460.32

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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.