Home / 3,587,720.96-5,382,667.87-1,281,912.12

Finding the Fourth Proportional to 3,587,720.96, 5,382,667.87 and 1,281,912.12

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Solution

The fourth proportional to 3,587,720.96, 5,382,667.87 and 1,281,912.12 is: 1,923,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587,720.96 : 5,382,667.87 = 1,281,912.12 : x
  2. Step 2: Convert to fraction form
    3,587,720.96/5,382,667.87 = 1,281,912.12/x
  3. Step 3: Cross multiply
    3,587,720.96x = 5,382,667.87 × 1,281,912.12
  4. Step 4: Simplify right side
    3,587,720.96x = 6,900,107,177,282.81
  5. Step 5: Solve for x
    x = 6,900,107,177,282.81/3,587,720.96
  6. Step 6: Final answer
    x = 1,923,256.37

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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.