Home / 4,989,014.40-7,485,724.80-2,428,809.60

Finding the Fourth Proportional to 4,989,014.40, 7,485,724.80 and 2,428,809.60

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Solution

The fourth proportional to 4,989,014.40, 7,485,724.80 and 2,428,809.60 is: 3,644,286.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989,014.40 : 7,485,724.80 = 2,428,809.60 : x
  2. Step 2: Convert to fraction form
    4,989,014.40/7,485,724.80 = 2,428,809.60/x
  3. Step 3: Cross multiply
    4,989,014.40x = 7,485,724.80 × 2,428,809.60
  4. Step 4: Simplify right side
    4,989,014.40x = 18,181,400,257,198.08
  5. Step 5: Solve for x
    x = 18,181,400,257,198.08/4,989,014.40
  6. Step 6: Final answer
    x = 3,644,286.99

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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.