Home / 4,988,660.40-7,485,193.80-2,428,455.60

Finding the Fourth Proportional to 4,988,660.40, 7,485,193.80 and 2,428,455.60

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Solution

The fourth proportional to 4,988,660.40, 7,485,193.80 and 2,428,455.60 is: 3,643,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988,660.40 : 7,485,193.80 = 2,428,455.60 : x
  2. Step 2: Convert to fraction form
    4,988,660.40/7,485,193.80 = 2,428,455.60/x
  3. Step 3: Cross multiply
    4,988,660.40x = 7,485,193.80 × 2,428,455.60
  4. Step 4: Simplify right side
    4,988,660.40x = 18,177,460,800,695.28
  5. Step 5: Solve for x
    x = 18,177,460,800,695.28/4,988,660.40
  6. Step 6: Final answer
    x = 3,643,755.91

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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.