Home / 1,855,887.84-2,561,082.48-1,081,469.34

Finding the Fourth Proportional to 1,855,887.84, 2,561,082.48 and 1,081,469.34

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Solution

The fourth proportional to 1,855,887.84, 2,561,082.48 and 1,081,469.34 is: 1,492,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,887.84 : 2,561,082.48 = 1,081,469.34 : x
  2. Step 2: Convert to fraction form
    1,855,887.84/2,561,082.48 = 1,081,469.34/x
  3. Step 3: Cross multiply
    1,855,887.84x = 2,561,082.48 × 1,081,469.34
  4. Step 4: Simplify right side
    1,855,887.84x = 2,769,732,179,331.16
  5. Step 5: Solve for x
    x = 2,769,732,179,331.16/1,855,887.84
  6. Step 6: Final answer
    x = 1,492,402.78

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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.