Home / 3,021,078.32-4,169,198.10-1,644,355.50

Finding the Fourth Proportional to 3,021,078.32, 4,169,198.10 and 1,644,355.50

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Solution

The fourth proportional to 3,021,078.32, 4,169,198.10 and 1,644,355.50 is: 2,269,270.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,078.32 : 4,169,198.10 = 1,644,355.50 : x
  2. Step 2: Convert to fraction form
    3,021,078.32/4,169,198.10 = 1,644,355.50/x
  3. Step 3: Cross multiply
    3,021,078.32x = 4,169,198.10 × 1,644,355.50
  4. Step 4: Simplify right side
    3,021,078.32x = 6,855,643,826,324.55
  5. Step 5: Solve for x
    x = 6,855,643,826,324.55/3,021,078.32
  6. Step 6: Final answer
    x = 2,269,270.47

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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.