Home / 6,369,449.89-8,790,089.68-3,616,393.55

Finding the Fourth Proportional to 6,369,449.89, 8,790,089.68 and 3,616,393.55

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Solution

The fourth proportional to 6,369,449.89, 8,790,089.68 and 3,616,393.55 is: 4,990,764.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,369,449.89 : 8,790,089.68 = 3,616,393.55 : x
  2. Step 2: Convert to fraction form
    6,369,449.89/8,790,089.68 = 3,616,393.55/x
  3. Step 3: Cross multiply
    6,369,449.89x = 8,790,089.68 × 3,616,393.55
  4. Step 4: Simplify right side
    6,369,449.89x = 31,788,423,560,641.15
  5. Step 5: Solve for x
    x = 31,788,423,560,641.15/6,369,449.89
  6. Step 6: Final answer
    x = 4,990,764.37

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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.