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Finding the Fourth Proportional to 6,384,673.54, 8,811,036.88 and 3,484,251.58

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Solution

The fourth proportional to 6,384,673.54, 8,811,036.88 and 3,484,251.58 is: 4,808,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384,673.54 : 8,811,036.88 = 3,484,251.58 : x
  2. Step 2: Convert to fraction form
    6,384,673.54/8,811,036.88 = 3,484,251.58/x
  3. Step 3: Cross multiply
    6,384,673.54x = 8,811,036.88 × 3,484,251.58
  4. Step 4: Simplify right side
    6,384,673.54x = 30,699,869,170,578.27
  5. Step 5: Solve for x
    x = 30,699,869,170,578.27/6,384,673.54
  6. Step 6: Final answer
    x = 4,808,369.45

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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.