Home / 2,568,388.02-3,852,619.76-1,220,688.15

Finding the Fourth Proportional to 2,568,388.02, 3,852,619.76 and 1,220,688.15

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Solution

The fourth proportional to 2,568,388.02, 3,852,619.76 and 1,220,688.15 is: 1,831,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568,388.02 : 3,852,619.76 = 1,220,688.15 : x
  2. Step 2: Convert to fraction form
    2,568,388.02/3,852,619.76 = 1,220,688.15/x
  3. Step 3: Cross multiply
    2,568,388.02x = 3,852,619.76 × 1,220,688.15
  4. Step 4: Simplify right side
    2,568,388.02x = 4,702,847,287,487.84
  5. Step 5: Solve for x
    x = 4,702,847,287,487.84/2,568,388.02
  6. Step 6: Final answer
    x = 1,831,050.16

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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.