Home / 3,175,619.20-4,763,428.80-1,180,662.40

Finding the Fourth Proportional to 3,175,619.20, 4,763,428.80 and 1,180,662.40

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Solution

The fourth proportional to 3,175,619.20, 4,763,428.80 and 1,180,662.40 is: 1,770,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,619.20 : 4,763,428.80 = 1,180,662.40 : x
  2. Step 2: Convert to fraction form
    3,175,619.20/4,763,428.80 = 1,180,662.40/x
  3. Step 3: Cross multiply
    3,175,619.20x = 4,763,428.80 × 1,180,662.40
  4. Step 4: Simplify right side
    3,175,619.20x = 5,624,001,279,237.12
  5. Step 5: Solve for x
    x = 5,624,001,279,237.12/3,175,619.20
  6. Step 6: Final answer
    x = 1,770,993.60

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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.