Home / 2,188,455.46-3,020,057.01-1,270,910.23

Finding the Fourth Proportional to 2,188,455.46, 3,020,057.01 and 1,270,910.23

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Solution

The fourth proportional to 2,188,455.46, 3,020,057.01 and 1,270,910.23 is: 1,753,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,455.46 : 3,020,057.01 = 1,270,910.23 : x
  2. Step 2: Convert to fraction form
    2,188,455.46/3,020,057.01 = 1,270,910.23/x
  3. Step 3: Cross multiply
    2,188,455.46x = 3,020,057.01 × 1,270,910.23
  4. Step 4: Simplify right side
    2,188,455.46x = 3,838,221,349,192.21
  5. Step 5: Solve for x
    x = 3,838,221,349,192.21/2,188,455.46
  6. Step 6: Final answer
    x = 1,753,849.42

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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.