Home / 6,419,886.34-9,629,660.02-1,872,190.25

Finding the Fourth Proportional to 6,419,886.34, 9,629,660.02 and 1,872,190.25

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Solution

The fourth proportional to 6,419,886.34, 9,629,660.02 and 1,872,190.25 is: 2,808,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,886.34 : 9,629,660.02 = 1,872,190.25 : x
  2. Step 2: Convert to fraction form
    6,419,886.34/9,629,660.02 = 1,872,190.25/x
  3. Step 3: Cross multiply
    6,419,886.34x = 9,629,660.02 × 1,872,190.25
  4. Step 4: Simplify right side
    6,419,886.34x = 18,028,555,600,258.80
  5. Step 5: Solve for x
    x = 18,028,555,600,258.80/6,419,886.34
  6. Step 6: Final answer
    x = 2,808,235.95

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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.