Home / 3,889,345.80-5,834,018.70-2,181,736.20

Finding the Fourth Proportional to 3,889,345.80, 5,834,018.70 and 2,181,736.20

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Solution

The fourth proportional to 3,889,345.80, 5,834,018.70 and 2,181,736.20 is: 3,272,604.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,345.80 : 5,834,018.70 = 2,181,736.20 : x
  2. Step 2: Convert to fraction form
    3,889,345.80/5,834,018.70 = 2,181,736.20/x
  3. Step 3: Cross multiply
    3,889,345.80x = 5,834,018.70 × 2,181,736.20
  4. Step 4: Simplify right side
    3,889,345.80x = 12,728,289,789,266.94
  5. Step 5: Solve for x
    x = 12,728,289,789,266.94/3,889,345.80
  6. Step 6: Final answer
    x = 3,272,604.30

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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.