Home / 3,969,970.40-5,954,955.60-3,621,605.60

Finding the Fourth Proportional to 3,969,970.40, 5,954,955.60 and 3,621,605.60

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Solution

The fourth proportional to 3,969,970.40, 5,954,955.60 and 3,621,605.60 is: 5,432,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,970.40 : 5,954,955.60 = 3,621,605.60 : x
  2. Step 2: Convert to fraction form
    3,969,970.40/5,954,955.60 = 3,621,605.60/x
  3. Step 3: Cross multiply
    3,969,970.40x = 5,954,955.60 × 3,621,605.60
  4. Step 4: Simplify right side
    3,969,970.40x = 21,566,500,548,711.36
  5. Step 5: Solve for x
    x = 21,566,500,548,711.36/3,969,970.40
  6. Step 6: Final answer
    x = 5,432,408.40

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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.