Home / 3,119,739.84-4,305,329.28-1,761,816.96

Finding the Fourth Proportional to 3,119,739.84, 4,305,329.28 and 1,761,816.96

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Solution

The fourth proportional to 3,119,739.84, 4,305,329.28 and 1,761,816.96 is: 2,431,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,739.84 : 4,305,329.28 = 1,761,816.96 : x
  2. Step 2: Convert to fraction form
    3,119,739.84/4,305,329.28 = 1,761,816.96/x
  3. Step 3: Cross multiply
    3,119,739.84x = 4,305,329.28 × 1,761,816.96
  4. Step 4: Simplify right side
    3,119,739.84x = 7,585,202,143,888.59
  5. Step 5: Solve for x
    x = 7,585,202,143,888.59/3,119,739.84
  6. Step 6: Final answer
    x = 2,431,357.27

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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.