Home / 3,431,365.80-5,148,296.70-1,187,730.60

Finding the Fourth Proportional to 3,431,365.80, 5,148,296.70 and 1,187,730.60

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Solution

The fourth proportional to 3,431,365.80, 5,148,296.70 and 1,187,730.60 is: 1,782,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,365.80 : 5,148,296.70 = 1,187,730.60 : x
  2. Step 2: Convert to fraction form
    3,431,365.80/5,148,296.70 = 1,187,730.60/x
  3. Step 3: Cross multiply
    3,431,365.80x = 5,148,296.70 × 1,187,730.60
  4. Step 4: Simplify right side
    3,431,365.80x = 6,114,789,528,469.02
  5. Step 5: Solve for x
    x = 6,114,789,528,469.02/3,431,365.80
  6. Step 6: Final answer
    x = 1,782,027.88

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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.