Home / 1,997,757.78-2,756,231.12-1,137,709.10

Finding the Fourth Proportional to 1,997,757.78, 2,756,231.12 and 1,137,709.10

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Solution

The fourth proportional to 1,997,757.78, 2,756,231.12 and 1,137,709.10 is: 1,569,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,757.78 : 2,756,231.12 = 1,137,709.10 : x
  2. Step 2: Convert to fraction form
    1,997,757.78/2,756,231.12 = 1,137,709.10/x
  3. Step 3: Cross multiply
    1,997,757.78x = 2,756,231.12 × 1,137,709.10
  4. Step 4: Simplify right side
    1,997,757.78x = 3,135,789,207,457.49
  5. Step 5: Solve for x
    x = 3,135,789,207,457.49/1,997,757.78
  6. Step 6: Final answer
    x = 1,569,654.36

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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.