Home / 2,568,016.70-3,852,025.05-2,155,139.90

Finding the Fourth Proportional to 2,568,016.70, 3,852,025.05 and 2,155,139.90

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Solution

The fourth proportional to 2,568,016.70, 3,852,025.05 and 2,155,139.90 is: 3,232,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568,016.70 : 3,852,025.05 = 2,155,139.90 : x
  2. Step 2: Convert to fraction form
    2,568,016.70/3,852,025.05 = 2,155,139.90/x
  3. Step 3: Cross multiply
    2,568,016.70x = 3,852,025.05 × 2,155,139.90
  4. Step 4: Simplify right side
    2,568,016.70x = 8,301,652,881,054.49
  5. Step 5: Solve for x
    x = 8,301,652,881,054.49/2,568,016.70
  6. Step 6: Final answer
    x = 3,232,709.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.