Home / 3,042,790.72-4,198,865.45-1,666,150.76

Finding the Fourth Proportional to 3,042,790.72, 4,198,865.45 and 1,666,150.76

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Solution

The fourth proportional to 3,042,790.72, 4,198,865.45 and 1,666,150.76 is: 2,299,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042,790.72 : 4,198,865.45 = 1,666,150.76 : x
  2. Step 2: Convert to fraction form
    3,042,790.72/4,198,865.45 = 1,666,150.76/x
  3. Step 3: Cross multiply
    3,042,790.72x = 4,198,865.45 × 1,666,150.76
  4. Step 4: Simplify right side
    3,042,790.72x = 6,995,942,862,821.65
  5. Step 5: Solve for x
    x = 6,995,942,862,821.65/3,042,790.72
  6. Step 6: Final answer
    x = 2,299,186.34

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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.