Home / 2,856,019.52-4,284,039.28-726,103.86

Finding the Fourth Proportional to 2,856,019.52, 4,284,039.28 and 726,103.86

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Solution

The fourth proportional to 2,856,019.52, 4,284,039.28 and 726,103.86 is: 1,089,158.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856,019.52 : 4,284,039.28 = 726,103.86 : x
  2. Step 2: Convert to fraction form
    2,856,019.52/4,284,039.28 = 726,103.86/x
  3. Step 3: Cross multiply
    2,856,019.52x = 4,284,039.28 × 726,103.86
  4. Step 4: Simplify right side
    2,856,019.52x = 3,110,657,457,599.62
  5. Step 5: Solve for x
    x = 3,110,657,457,599.62/2,856,019.52
  6. Step 6: Final answer
    x = 1,089,158.33

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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.