Home / 3,042,512-4,198,506.90-1,665,591.74

Finding the Fourth Proportional to 3,042,512, 4,198,506.90 and 1,665,591.74

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Solution

The fourth proportional to 3,042,512, 4,198,506.90 and 1,665,591.74 is: 2,298,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,512 : 4,198,506.90 = 1,665,591.74 : x
  2. Step 2: Convert to fraction form
    3,042,512/4,198,506.90 = 1,665,591.74/x
  3. Step 3: Cross multiply
    3,042,512x = 4,198,506.90 × 1,665,591.74
  4. Step 4: Simplify right side
    3,042,512x = 6,992,998,412,973.01
  5. Step 5: Solve for x
    x = 6,992,998,412,973.01/3,042,512
  6. Step 6: Final answer
    x = 2,298,429.20

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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.