Home / 2,668,935-3,993,357.78-1,871,772.60

Finding the Fourth Proportional to 2,668,935, 3,993,357.78 and 1,871,772.60

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Solution

The fourth proportional to 2,668,935, 3,993,357.78 and 1,871,772.60 is: 2,800,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,935 : 3,993,357.78 = 1,871,772.60 : x
  2. Step 2: Convert to fraction form
    2,668,935/3,993,357.78 = 1,871,772.60/x
  3. Step 3: Cross multiply
    2,668,935x = 3,993,357.78 × 1,871,772.60
  4. Step 4: Simplify right side
    2,668,935x = 7,474,657,674,600.83
  5. Step 5: Solve for x
    x = 7,474,657,674,600.83/2,668,935
  6. Step 6: Final answer
    x = 2,800,614.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.