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Finding the Fourth Proportional to 4,624,393.78, 6,922,770.42 and 2,797,229.16

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Solution

The fourth proportional to 4,624,393.78, 6,922,770.42 and 2,797,229.16 is: 4,187,484.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,624,393.78 : 6,922,770.42 = 2,797,229.16 : x
  2. Step 2: Convert to fraction form
    4,624,393.78/6,922,770.42 = 2,797,229.16/x
  3. Step 3: Cross multiply
    4,624,393.78x = 6,922,770.42 × 2,797,229.16
  4. Step 4: Simplify right side
    4,624,393.78x = 19,364,575,297,123.30
  5. Step 5: Solve for x
    x = 19,364,575,297,123.30/4,624,393.78
  6. Step 6: Final answer
    x = 4,187,484.08

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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.