Home / 2,178,906.40-3,270,433.20-1,863,719.20

Finding the Fourth Proportional to 2,178,906.40, 3,270,433.20 and 1,863,719.20

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Solution

The fourth proportional to 2,178,906.40, 3,270,433.20 and 1,863,719.20 is: 2,797,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,906.40 : 3,270,433.20 = 1,863,719.20 : x
  2. Step 2: Convert to fraction form
    2,178,906.40/3,270,433.20 = 1,863,719.20/x
  3. Step 3: Cross multiply
    2,178,906.40x = 3,270,433.20 × 1,863,719.20
  4. Step 4: Simplify right side
    2,178,906.40x = 6,095,169,147,157.44
  5. Step 5: Solve for x
    x = 6,095,169,147,157.44/2,178,906.40
  6. Step 6: Final answer
    x = 2,797,352.45

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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.