Home / 3,850,113.51-5,313,148.30-2,107,768.78

Finding the Fourth Proportional to 3,850,113.51, 5,313,148.30 and 2,107,768.78

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Solution

The fourth proportional to 3,850,113.51, 5,313,148.30 and 2,107,768.78 is: 2,908,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850,113.51 : 5,313,148.30 = 2,107,768.78 : x
  2. Step 2: Convert to fraction form
    3,850,113.51/5,313,148.30 = 2,107,768.78/x
  3. Step 3: Cross multiply
    3,850,113.51x = 5,313,148.30 × 2,107,768.78
  4. Step 4: Simplify right side
    3,850,113.51x = 11,198,888,119,526.22
  5. Step 5: Solve for x
    x = 11,198,888,119,526.22/3,850,113.51
  6. Step 6: Final answer
    x = 2,908,716.35

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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.