Home / 3,436,138.26-4,741,740.87-1,908,343.80

Finding the Fourth Proportional to 3,436,138.26, 4,741,740.87 and 1,908,343.80

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Solution

The fourth proportional to 3,436,138.26, 4,741,740.87 and 1,908,343.80 is: 2,633,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436,138.26 : 4,741,740.87 = 1,908,343.80 : x
  2. Step 2: Convert to fraction form
    3,436,138.26/4,741,740.87 = 1,908,343.80/x
  3. Step 3: Cross multiply
    3,436,138.26x = 4,741,740.87 × 1,908,343.80
  4. Step 4: Simplify right side
    3,436,138.26x = 9,048,871,790,471.11
  5. Step 5: Solve for x
    x = 9,048,871,790,471.11/3,436,138.26
  6. Step 6: Final answer
    x = 2,633,442.28

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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.