Home / 4,157,640.37-6,236,475.88-1,278,987.24

Finding the Fourth Proportional to 4,157,640.37, 6,236,475.88 and 1,278,987.24

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Solution

The fourth proportional to 4,157,640.37, 6,236,475.88 and 1,278,987.24 is: 1,918,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157,640.37 : 6,236,475.88 = 1,278,987.24 : x
  2. Step 2: Convert to fraction form
    4,157,640.37/6,236,475.88 = 1,278,987.24/x
  3. Step 3: Cross multiply
    4,157,640.37x = 6,236,475.88 × 1,278,987.24
  4. Step 4: Simplify right side
    4,157,640.37x = 7,976,373,073,087.77
  5. Step 5: Solve for x
    x = 7,976,373,073,087.77/4,157,640.37
  6. Step 6: Final answer
    x = 1,918,485.57

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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.