Home / 3,639,904.40-5,459,856.60-1,115,231.60

Finding the Fourth Proportional to 3,639,904.40, 5,459,856.60 and 1,115,231.60

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Solution

The fourth proportional to 3,639,904.40, 5,459,856.60 and 1,115,231.60 is: 1,672,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,904.40 : 5,459,856.60 = 1,115,231.60 : x
  2. Step 2: Convert to fraction form
    3,639,904.40/5,459,856.60 = 1,115,231.60/x
  3. Step 3: Cross multiply
    3,639,904.40x = 5,459,856.60 × 1,115,231.60
  4. Step 4: Simplify right side
    3,639,904.40x = 6,089,004,611,788.56
  5. Step 5: Solve for x
    x = 6,089,004,611,788.56/3,639,904.40
  6. Step 6: Final answer
    x = 1,672,847.40

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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.