Home / 2,888,994.78-3,986,809.20-1,599,833.61

Finding the Fourth Proportional to 2,888,994.78, 3,986,809.20 and 1,599,833.61

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Solution

The fourth proportional to 2,888,994.78, 3,986,809.20 and 1,599,833.61 is: 2,207,768.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,994.78 : 3,986,809.20 = 1,599,833.61 : x
  2. Step 2: Convert to fraction form
    2,888,994.78/3,986,809.20 = 1,599,833.61/x
  3. Step 3: Cross multiply
    2,888,994.78x = 3,986,809.20 × 1,599,833.61
  4. Step 4: Simplify right side
    2,888,994.78x = 6,378,231,354,817.21
  5. Step 5: Solve for x
    x = 6,378,231,354,817.21/2,888,994.78
  6. Step 6: Final answer
    x = 2,207,768.39

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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.