Home / 3,042,475.60-4,198,456.49-1,665,555.43

Finding the Fourth Proportional to 3,042,475.60, 4,198,456.49 and 1,665,555.43

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Solution

The fourth proportional to 3,042,475.60, 4,198,456.49 and 1,665,555.43 is: 2,298,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,475.60 : 4,198,456.49 = 1,665,555.43 : x
  2. Step 2: Convert to fraction form
    3,042,475.60/4,198,456.49 = 1,665,555.43/x
  3. Step 3: Cross multiply
    3,042,475.60x = 4,198,456.49 × 1,665,555.43
  4. Step 4: Simplify right side
    3,042,475.60x = 6,992,762,004,538.24
  5. Step 5: Solve for x
    x = 6,992,762,004,538.24/3,042,475.60
  6. Step 6: Final answer
    x = 2,298,378.99

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1.5x scale

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.