Home / 1,728,208.80-2,587,777.20-1,220,025.60

Finding the Fourth Proportional to 1,728,208.80, 2,587,777.20 and 1,220,025.60

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Solution

The fourth proportional to 1,728,208.80, 2,587,777.20 and 1,220,025.60 is: 1,826,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,208.80 : 2,587,777.20 = 1,220,025.60 : x
  2. Step 2: Convert to fraction form
    1,728,208.80/2,587,777.20 = 1,220,025.60/x
  3. Step 3: Cross multiply
    1,728,208.80x = 2,587,777.20 × 1,220,025.60
  4. Step 4: Simplify right side
    1,728,208.80x = 3,157,154,431,096.32
  5. Step 5: Solve for x
    x = 3,157,154,431,096.32/1,728,208.80
  6. Step 6: Final answer
    x = 1,826,836.22

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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.