Home / 5,161,380.39-7,122,888.13-2,838,449.51

Finding the Fourth Proportional to 5,161,380.39, 7,122,888.13 and 2,838,449.51

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Solution

The fourth proportional to 5,161,380.39, 7,122,888.13 and 2,838,449.51 is: 3,917,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,380.39 : 7,122,888.13 = 2,838,449.51 : x
  2. Step 2: Convert to fraction form
    5,161,380.39/7,122,888.13 = 2,838,449.51/x
  3. Step 3: Cross multiply
    5,161,380.39x = 7,122,888.13 × 2,838,449.51
  4. Step 4: Simplify right side
    5,161,380.39x = 20,217,958,322,383.31
  5. Step 5: Solve for x
    x = 20,217,958,322,383.31/5,161,380.39
  6. Step 6: Final answer
    x = 3,917,161.07

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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.