Home / 4,867,728.40-7,305,739.80-2,176,195.60

Finding the Fourth Proportional to 4,867,728.40, 7,305,739.80 and 2,176,195.60

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Solution

The fourth proportional to 4,867,728.40, 7,305,739.80 and 2,176,195.60 is: 3,266,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867,728.40 : 7,305,739.80 = 2,176,195.60 : x
  2. Step 2: Convert to fraction form
    4,867,728.40/7,305,739.80 = 2,176,195.60/x
  3. Step 3: Cross multiply
    4,867,728.40x = 7,305,739.80 × 2,176,195.60
  4. Step 4: Simplify right side
    4,867,728.40x = 15,898,718,807,504.88
  5. Step 5: Solve for x
    x = 15,898,718,807,504.88/4,867,728.40
  6. Step 6: Final answer
    x = 3,266,147.47

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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.