Home / 3,926,838.60-5,890,257.90-3,180,342.60

Finding the Fourth Proportional to 3,926,838.60, 5,890,257.90 and 3,180,342.60

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Solution

The fourth proportional to 3,926,838.60, 5,890,257.90 and 3,180,342.60 is: 4,770,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,838.60 : 5,890,257.90 = 3,180,342.60 : x
  2. Step 2: Convert to fraction form
    3,926,838.60/5,890,257.90 = 3,180,342.60/x
  3. Step 3: Cross multiply
    3,926,838.60x = 5,890,257.90 × 3,180,342.60
  4. Step 4: Simplify right side
    3,926,838.60x = 18,733,038,124,356.54
  5. Step 5: Solve for x
    x = 18,733,038,124,356.54/3,926,838.60
  6. Step 6: Final answer
    x = 4,770,513.90

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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.