Home / 2,568,388.52-3,852,620.51-1,220,688.65

Finding the Fourth Proportional to 2,568,388.52, 3,852,620.51 and 1,220,688.65

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Solution

The fourth proportional to 2,568,388.52, 3,852,620.51 and 1,220,688.65 is: 1,831,050.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568,388.52 : 3,852,620.51 = 1,220,688.65 : x
  2. Step 2: Convert to fraction form
    2,568,388.52/3,852,620.51 = 1,220,688.65/x
  3. Step 3: Cross multiply
    2,568,388.52x = 3,852,620.51 × 1,220,688.65
  4. Step 4: Simplify right side
    2,568,388.52x = 4,702,850,103,947.67
  5. Step 5: Solve for x
    x = 4,702,850,103,947.67/2,568,388.52
  6. Step 6: Final answer
    x = 1,831,050.90

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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.