Home / 6,420,244.88-8,859,937.14-3,519,656.25

Finding the Fourth Proportional to 6,420,244.88, 8,859,937.14 and 3,519,656.25

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Solution

The fourth proportional to 6,420,244.88, 8,859,937.14 and 3,519,656.25 is: 4,857,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,244.88 : 8,859,937.14 = 3,519,656.25 : x
  2. Step 2: Convert to fraction form
    6,420,244.88/8,859,937.14 = 3,519,656.25/x
  3. Step 3: Cross multiply
    6,420,244.88x = 8,859,937.14 × 3,519,656.25
  4. Step 4: Simplify right side
    6,420,244.88x = 31,183,933,096,183.36
  5. Step 5: Solve for x
    x = 31,183,933,096,183.36/6,420,244.88
  6. Step 6: Final answer
    x = 4,857,125.18

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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.