Home / 3,899,577.88-5,381,316.57-2,157,202

Finding the Fourth Proportional to 3,899,577.88, 5,381,316.57 and 2,157,202

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Solution

The fourth proportional to 3,899,577.88, 5,381,316.57 and 2,157,202 is: 2,976,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,577.88 : 5,381,316.57 = 2,157,202 : x
  2. Step 2: Convert to fraction form
    3,899,577.88/5,381,316.57 = 2,157,202/x
  3. Step 3: Cross multiply
    3,899,577.88x = 5,381,316.57 × 2,157,202
  4. Step 4: Simplify right side
    3,899,577.88x = 11,608,586,867,437.14
  5. Step 5: Solve for x
    x = 11,608,586,867,437.14/3,899,577.88
  6. Step 6: Final answer
    x = 2,976,882.94

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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.