Home / 2,764,339.80-4,146,719.60-942,138.40

Finding the Fourth Proportional to 2,764,339.80, 4,146,719.60 and 942,138.40

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Solution

The fourth proportional to 2,764,339.80, 4,146,719.60 and 942,138.40 is: 1,413,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764,339.80 : 4,146,719.60 = 942,138.40 : x
  2. Step 2: Convert to fraction form
    2,764,339.80/4,146,719.60 = 942,138.40/x
  3. Step 3: Cross multiply
    2,764,339.80x = 4,146,719.60 × 942,138.40
  4. Step 4: Simplify right side
    2,764,339.80x = 3,906,783,769,192.64
  5. Step 5: Solve for x
    x = 3,906,783,769,192.64/2,764,339.80
  6. Step 6: Final answer
    x = 1,413,279.14

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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.