Home / 3,705,189.12-5,111,537.76-2,176,606.56

Finding the Fourth Proportional to 3,705,189.12, 5,111,537.76 and 2,176,606.56

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Solution

The fourth proportional to 3,705,189.12, 5,111,537.76 and 2,176,606.56 is: 3,002,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705,189.12 : 5,111,537.76 = 2,176,606.56 : x
  2. Step 2: Convert to fraction form
    3,705,189.12/5,111,537.76 = 2,176,606.56/x
  3. Step 3: Cross multiply
    3,705,189.12x = 5,111,537.76 × 2,176,606.56
  4. Step 4: Simplify right side
    3,705,189.12x = 11,125,806,620,103.71
  5. Step 5: Solve for x
    x = 11,125,806,620,103.71/3,705,189.12
  6. Step 6: Final answer
    x = 3,002,763.49

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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.