Home / 3,639,861.60-5,459,792.40-980,469.60

Finding the Fourth Proportional to 3,639,861.60, 5,459,792.40 and 980,469.60

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Solution

The fourth proportional to 3,639,861.60, 5,459,792.40 and 980,469.60 is: 1,470,704.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,861.60 : 5,459,792.40 = 980,469.60 : x
  2. Step 2: Convert to fraction form
    3,639,861.60/5,459,792.40 = 980,469.60/x
  3. Step 3: Cross multiply
    3,639,861.60x = 5,459,792.40 × 980,469.60
  4. Step 4: Simplify right side
    3,639,861.60x = 5,353,160,470,511.04
  5. Step 5: Solve for x
    x = 5,353,160,470,511.04/3,639,861.60
  6. Step 6: Final answer
    x = 1,470,704.40

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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.