Home / 6,946,777.20-9,586,447.56-3,891,100.80

Finding the Fourth Proportional to 6,946,777.20, 9,586,447.56 and 3,891,100.80

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Solution

The fourth proportional to 6,946,777.20, 9,586,447.56 and 3,891,100.80 is: 5,369,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946,777.20 : 9,586,447.56 = 3,891,100.80 : x
  2. Step 2: Convert to fraction form
    6,946,777.20/9,586,447.56 = 3,891,100.80/x
  3. Step 3: Cross multiply
    6,946,777.20x = 9,586,447.56 × 3,891,100.80
  4. Step 4: Simplify right side
    6,946,777.20x = 37,301,833,769,874.05
  5. Step 5: Solve for x
    x = 37,301,833,769,874.05/6,946,777.20
  6. Step 6: Final answer
    x = 5,369,660.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.