Home / 3,781,317.72-5,218,280.64-2,062,438.32

Finding the Fourth Proportional to 3,781,317.72, 5,218,280.64 and 2,062,438.32

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Solution

The fourth proportional to 3,781,317.72, 5,218,280.64 and 2,062,438.32 is: 2,846,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,317.72 : 5,218,280.64 = 2,062,438.32 : x
  2. Step 2: Convert to fraction form
    3,781,317.72/5,218,280.64 = 2,062,438.32/x
  3. Step 3: Cross multiply
    3,781,317.72x = 5,218,280.64 × 2,062,438.32
  4. Step 4: Simplify right side
    3,781,317.72x = 10,762,381,956,450.12
  5. Step 5: Solve for x
    x = 10,762,381,956,450.12/3,781,317.72
  6. Step 6: Final answer
    x = 2,846,198.80

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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.