Home / 3,012,477.78-4,519,482.12-853,500.54

Finding the Fourth Proportional to 3,012,477.78, 4,519,482.12 and 853,500.54

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Solution

The fourth proportional to 3,012,477.78, 4,519,482.12 and 853,500.54 is: 1,280,467.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,477.78 : 4,519,482.12 = 853,500.54 : x
  2. Step 2: Convert to fraction form
    3,012,477.78/4,519,482.12 = 853,500.54/x
  3. Step 3: Cross multiply
    3,012,477.78x = 4,519,482.12 × 853,500.54
  4. Step 4: Simplify right side
    3,012,477.78x = 3,857,380,429,940.35
  5. Step 5: Solve for x
    x = 3,857,380,429,940.35/3,012,477.78
  6. Step 6: Final answer
    x = 1,280,467.68

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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.