Home / 3,991,133.20-5,987,574.60-1,294,999.60

Finding the Fourth Proportional to 3,991,133.20, 5,987,574.60 and 1,294,999.60

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Solution

The fourth proportional to 3,991,133.20, 5,987,574.60 and 1,294,999.60 is: 1,942,783.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,133.20 : 5,987,574.60 = 1,294,999.60 : x
  2. Step 2: Convert to fraction form
    3,991,133.20/5,987,574.60 = 1,294,999.60/x
  3. Step 3: Cross multiply
    3,991,133.20x = 5,987,574.60 × 1,294,999.60
  4. Step 4: Simplify right side
    3,991,133.20x = 7,753,906,711,970.16
  5. Step 5: Solve for x
    x = 7,753,906,711,970.16/3,991,133.20
  6. Step 6: Final answer
    x = 1,942,783.25

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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.