Home / 4,679,912.40-7,019,868.60-1,485,288.60

Finding the Fourth Proportional to 4,679,912.40, 7,019,868.60 and 1,485,288.60

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Solution

The fourth proportional to 4,679,912.40, 7,019,868.60 and 1,485,288.60 is: 2,227,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,912.40 : 7,019,868.60 = 1,485,288.60 : x
  2. Step 2: Convert to fraction form
    4,679,912.40/7,019,868.60 = 1,485,288.60/x
  3. Step 3: Cross multiply
    4,679,912.40x = 7,019,868.60 × 1,485,288.60
  4. Step 4: Simplify right side
    4,679,912.40x = 10,426,530,805,077.96
  5. Step 5: Solve for x
    x = 10,426,530,805,077.96/4,679,912.40
  6. Step 6: Final answer
    x = 2,227,932.90

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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.