Home / 4,171,211.20-6,256,816.80-1,646,538.40

Finding the Fourth Proportional to 4,171,211.20, 6,256,816.80 and 1,646,538.40

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Solution

The fourth proportional to 4,171,211.20, 6,256,816.80 and 1,646,538.40 is: 2,469,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171,211.20 : 6,256,816.80 = 1,646,538.40 : x
  2. Step 2: Convert to fraction form
    4,171,211.20/6,256,816.80 = 1,646,538.40/x
  3. Step 3: Cross multiply
    4,171,211.20x = 6,256,816.80 × 1,646,538.40
  4. Step 4: Simplify right side
    4,171,211.20x = 10,302,089,122,965.12
  5. Step 5: Solve for x
    x = 10,302,089,122,965.12/4,171,211.20
  6. Step 6: Final answer
    x = 2,469,807.60

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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.