Home / 5,431,570.60-8,147,355.90-2,912,146.60

Finding the Fourth Proportional to 5,431,570.60, 8,147,355.90 and 2,912,146.60

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Solution

The fourth proportional to 5,431,570.60, 8,147,355.90 and 2,912,146.60 is: 4,368,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,570.60 : 8,147,355.90 = 2,912,146.60 : x
  2. Step 2: Convert to fraction form
    5,431,570.60/8,147,355.90 = 2,912,146.60/x
  3. Step 3: Cross multiply
    5,431,570.60x = 8,147,355.90 × 2,912,146.60
  4. Step 4: Simplify right side
    5,431,570.60x = 23,726,294,783,174.94
  5. Step 5: Solve for x
    x = 23,726,294,783,174.94/5,431,570.60
  6. Step 6: Final answer
    x = 4,368,219.90

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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.