Home / 3,042,245.90-4,198,348.86-1,665,566.40

Finding the Fourth Proportional to 3,042,245.90, 4,198,348.86 and 1,665,566.40

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Solution

The fourth proportional to 3,042,245.90, 4,198,348.86 and 1,665,566.40 is: 2,298,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,245.90 : 4,198,348.86 = 1,665,566.40 : x
  2. Step 2: Convert to fraction form
    3,042,245.90/4,198,348.86 = 1,665,566.40/x
  3. Step 3: Cross multiply
    3,042,245.90x = 4,198,348.86 × 1,665,566.40
  4. Step 4: Simplify right side
    3,042,245.90x = 6,992,628,796,694.30
  5. Step 5: Solve for x
    x = 6,992,628,796,694.30/3,042,245.90
  6. Step 6: Final answer
    x = 2,298,508.74

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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.