Home / 2,772,443.20-4,158,664.80-1,578,049.60

Finding the Fourth Proportional to 2,772,443.20, 4,158,664.80 and 1,578,049.60

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Solution

The fourth proportional to 2,772,443.20, 4,158,664.80 and 1,578,049.60 is: 2,367,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,443.20 : 4,158,664.80 = 1,578,049.60 : x
  2. Step 2: Convert to fraction form
    2,772,443.20/4,158,664.80 = 1,578,049.60/x
  3. Step 3: Cross multiply
    2,772,443.20x = 4,158,664.80 × 1,578,049.60
  4. Step 4: Simplify right side
    2,772,443.20x = 6,562,579,324,174.08
  5. Step 5: Solve for x
    x = 6,562,579,324,174.08/2,772,443.20
  6. Step 6: Final answer
    x = 2,367,074.40

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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.