Home / 5,101,708.34-7,040,357.56-2,809,869.03

Finding the Fourth Proportional to 5,101,708.34, 7,040,357.56 and 2,809,869.03

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Solution

The fourth proportional to 5,101,708.34, 7,040,357.56 and 2,809,869.03 is: 3,877,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,708.34 : 7,040,357.56 = 2,809,869.03 : x
  2. Step 2: Convert to fraction form
    5,101,708.34/7,040,357.56 = 2,809,869.03/x
  3. Step 3: Cross multiply
    5,101,708.34x = 7,040,357.56 × 2,809,869.03
  4. Step 4: Simplify right side
    5,101,708.34x = 19,782,482,667,970.36
  5. Step 5: Solve for x
    x = 19,782,482,667,970.36/5,101,708.34
  6. Step 6: Final answer
    x = 3,877,619.29

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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.