Home / 2,182,220.91-3,011,558.13-1,215,351

Finding the Fourth Proportional to 2,182,220.91, 3,011,558.13 and 1,215,351

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Solution

The fourth proportional to 2,182,220.91, 3,011,558.13 and 1,215,351 is: 1,677,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,220.91 : 3,011,558.13 = 1,215,351 : x
  2. Step 2: Convert to fraction form
    2,182,220.91/3,011,558.13 = 1,215,351/x
  3. Step 3: Cross multiply
    2,182,220.91x = 3,011,558.13 × 1,215,351
  4. Step 4: Simplify right side
    2,182,220.91x = 3,660,100,184,853.63
  5. Step 5: Solve for x
    x = 3,660,100,184,853.63/2,182,220.91
  6. Step 6: Final answer
    x = 1,677,236.33

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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.