Home / 3,937,849-5,434,233.78-2,127,013

Finding the Fourth Proportional to 3,937,849, 5,434,233.78 and 2,127,013

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Solution

The fourth proportional to 3,937,849, 5,434,233.78 and 2,127,013 is: 2,935,279.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937,849 : 5,434,233.78 = 2,127,013 : x
  2. Step 2: Convert to fraction form
    3,937,849/5,434,233.78 = 2,127,013/x
  3. Step 3: Cross multiply
    3,937,849x = 5,434,233.78 × 2,127,013
  4. Step 4: Simplify right side
    3,937,849x = 11,558,685,895,099.14
  5. Step 5: Solve for x
    x = 11,558,685,895,099.14/3,937,849
  6. Step 6: Final answer
    x = 2,935,279.11

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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.