Home / 3,571,138.92-4,928,207.28-1,939,578.14

Finding the Fourth Proportional to 3,571,138.92, 4,928,207.28 and 1,939,578.14

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Solution

The fourth proportional to 3,571,138.92, 4,928,207.28 and 1,939,578.14 is: 2,676,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,138.92 : 4,928,207.28 = 1,939,578.14 : x
  2. Step 2: Convert to fraction form
    3,571,138.92/4,928,207.28 = 1,939,578.14/x
  3. Step 3: Cross multiply
    3,571,138.92x = 4,928,207.28 × 1,939,578.14
  4. Step 4: Simplify right side
    3,571,138.92x = 9,558,643,109,676.86
  5. Step 5: Solve for x
    x = 9,558,643,109,676.86/3,571,138.92
  6. Step 6: Final answer
    x = 2,676,637.15

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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.