Home / 4,218,307.27-6,327,788.85-1,378,706.47

Finding the Fourth Proportional to 4,218,307.27, 6,327,788.85 and 1,378,706.47

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Solution

The fourth proportional to 4,218,307.27, 6,327,788.85 and 1,378,706.47 is: 2,068,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,307.27 : 6,327,788.85 = 1,378,706.47 : x
  2. Step 2: Convert to fraction form
    4,218,307.27/6,327,788.85 = 1,378,706.47/x
  3. Step 3: Cross multiply
    4,218,307.27x = 6,327,788.85 × 1,378,706.47
  4. Step 4: Simplify right side
    4,218,307.27x = 8,724,163,412,469.39
  5. Step 5: Solve for x
    x = 8,724,163,412,469.39/4,218,307.27
  6. Step 6: Final answer
    x = 2,068,166.89

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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.