Home / 3,552,016.80-5,328,025.20-1,422,429.60

Finding the Fourth Proportional to 3,552,016.80, 5,328,025.20 and 1,422,429.60

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Solution

The fourth proportional to 3,552,016.80, 5,328,025.20 and 1,422,429.60 is: 2,133,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552,016.80 : 5,328,025.20 = 1,422,429.60 : x
  2. Step 2: Convert to fraction form
    3,552,016.80/5,328,025.20 = 1,422,429.60/x
  3. Step 3: Cross multiply
    3,552,016.80x = 5,328,025.20 × 1,422,429.60
  4. Step 4: Simplify right side
    3,552,016.80x = 7,578,740,754,025.92
  5. Step 5: Solve for x
    x = 7,578,740,754,025.92/3,552,016.80
  6. Step 6: Final answer
    x = 2,133,644.40

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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.