Home / 2,164,082.05-2,985,896.68-1,399,215.25

Finding the Fourth Proportional to 2,164,082.05, 2,985,896.68 and 1,399,215.25

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Solution

The fourth proportional to 2,164,082.05, 2,985,896.68 and 1,399,215.25 is: 1,930,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,082.05 : 2,985,896.68 = 1,399,215.25 : x
  2. Step 2: Convert to fraction form
    2,164,082.05/2,985,896.68 = 1,399,215.25/x
  3. Step 3: Cross multiply
    2,164,082.05x = 2,985,896.68 × 1,399,215.25
  4. Step 4: Simplify right side
    2,164,082.05x = 4,177,912,169,580.37
  5. Step 5: Solve for x
    x = 4,177,912,169,580.37/2,164,082.05
  6. Step 6: Final answer
    x = 1,930,570.13

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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.