Home / 3,788,639.72-5,685,202.16-1,394,166.32

Finding the Fourth Proportional to 3,788,639.72, 5,685,202.16 and 1,394,166.32

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Solution

The fourth proportional to 3,788,639.72, 5,685,202.16 and 1,394,166.32 is: 2,092,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,639.72 : 5,685,202.16 = 1,394,166.32 : x
  2. Step 2: Convert to fraction form
    3,788,639.72/5,685,202.16 = 1,394,166.32/x
  3. Step 3: Cross multiply
    3,788,639.72x = 5,685,202.16 × 1,394,166.32
  4. Step 4: Simplify right side
    3,788,639.72x = 7,926,117,373,863.25
  5. Step 5: Solve for x
    x = 7,926,117,373,863.25/3,788,639.72
  6. Step 6: Final answer
    x = 2,092,074.72

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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.