Home / 2,315,473.20-3,194,334.36-1,397,190.60

Finding the Fourth Proportional to 2,315,473.20, 3,194,334.36 and 1,397,190.60

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Solution

The fourth proportional to 2,315,473.20, 3,194,334.36 and 1,397,190.60 is: 1,927,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,473.20 : 3,194,334.36 = 1,397,190.60 : x
  2. Step 2: Convert to fraction form
    2,315,473.20/3,194,334.36 = 1,397,190.60/x
  3. Step 3: Cross multiply
    2,315,473.20x = 3,194,334.36 × 1,397,190.60
  4. Step 4: Simplify right side
    2,315,473.20x = 4,463,093,941,049.02
  5. Step 5: Solve for x
    x = 4,463,093,941,049.02/2,315,473.20
  6. Step 6: Final answer
    x = 1,927,508.36

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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.