Home / 3,939,148.80-5,436,659.52-2,973,369.60

Finding the Fourth Proportional to 3,939,148.80, 5,436,659.52 and 2,973,369.60

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Solution

The fourth proportional to 3,939,148.80, 5,436,659.52 and 2,973,369.60 is: 4,103,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,148.80 : 5,436,659.52 = 2,973,369.60 : x
  2. Step 2: Convert to fraction form
    3,939,148.80/5,436,659.52 = 2,973,369.60/x
  3. Step 3: Cross multiply
    3,939,148.80x = 5,436,659.52 × 2,973,369.60
  4. Step 4: Simplify right side
    3,939,148.80x = 16,165,198,142,318.59
  5. Step 5: Solve for x
    x = 16,165,198,142,318.59/3,939,148.80
  6. Step 6: Final answer
    x = 4,103,728.74

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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.