Home / 5,101,828.56-7,040,199.90-2,809,989.06

Finding the Fourth Proportional to 5,101,828.56, 7,040,199.90 and 2,809,989.06

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Solution

The fourth proportional to 5,101,828.56, 7,040,199.90 and 2,809,989.06 is: 3,877,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,828.56 : 7,040,199.90 = 2,809,989.06 : x
  2. Step 2: Convert to fraction form
    5,101,828.56/7,040,199.90 = 2,809,989.06/x
  3. Step 3: Cross multiply
    5,101,828.56x = 7,040,199.90 × 2,809,989.06
  4. Step 4: Simplify right side
    5,101,828.56x = 19,782,884,699,213.09
  5. Step 5: Solve for x
    x = 19,782,884,699,213.09/5,101,828.56
  6. Step 6: Final answer
    x = 3,877,606.72

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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.