Home / 3,042,475.85-4,198,456.84-1,665,555.68

Finding the Fourth Proportional to 3,042,475.85, 4,198,456.84 and 1,665,555.68

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Solution

The fourth proportional to 3,042,475.85, 4,198,456.84 and 1,665,555.68 is: 2,298,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,475.85 : 4,198,456.84 = 1,665,555.68 : x
  2. Step 2: Convert to fraction form
    3,042,475.85/4,198,456.84 = 1,665,555.68/x
  3. Step 3: Cross multiply
    3,042,475.85x = 4,198,456.84 × 1,665,555.68
  4. Step 4: Simplify right side
    3,042,475.85x = 6,992,763,643,429.11
  5. Step 5: Solve for x
    x = 6,992,763,643,429.11/3,042,475.85
  6. Step 6: Final answer
    x = 2,298,379.35

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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.