Home / 2,907,231.35-4,011,939.11-1,618,072.20

Finding the Fourth Proportional to 2,907,231.35, 4,011,939.11 and 1,618,072.20

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Solution

The fourth proportional to 2,907,231.35, 4,011,939.11 and 1,618,072.20 is: 2,232,917.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907,231.35 : 4,011,939.11 = 1,618,072.20 : x
  2. Step 2: Convert to fraction form
    2,907,231.35/4,011,939.11 = 1,618,072.20/x
  3. Step 3: Cross multiply
    2,907,231.35x = 4,011,939.11 × 1,618,072.20
  4. Step 4: Simplify right side
    2,907,231.35x = 6,491,607,146,028.92
  5. Step 5: Solve for x
    x = 6,491,607,146,028.92/2,907,231.35
  6. Step 6: Final answer
    x = 2,232,917.29

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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.