Home / 3,843,540.89-5,303,833.67-2,211,684.87

Finding the Fourth Proportional to 3,843,540.89, 5,303,833.67 and 2,211,684.87

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Solution

The fourth proportional to 3,843,540.89, 5,303,833.67 and 2,211,684.87 is: 3,051,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843,540.89 : 5,303,833.67 = 2,211,684.87 : x
  2. Step 2: Convert to fraction form
    3,843,540.89/5,303,833.67 = 2,211,684.87/x
  3. Step 3: Cross multiply
    3,843,540.89x = 5,303,833.67 × 2,211,684.87
  4. Step 4: Simplify right side
    3,843,540.89x = 11,730,408,648,887.20
  5. Step 5: Solve for x
    x = 11,730,408,648,887.20/3,843,540.89
  6. Step 6: Final answer
    x = 3,051,979.67

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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.