Home / 2,764,280.80-4,146,631.10-942,079.40

Finding the Fourth Proportional to 2,764,280.80, 4,146,631.10 and 942,079.40

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Solution

The fourth proportional to 2,764,280.80, 4,146,631.10 and 942,079.40 is: 1,413,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764,280.80 : 4,146,631.10 = 942,079.40 : x
  2. Step 2: Convert to fraction form
    2,764,280.80/4,146,631.10 = 942,079.40/x
  3. Step 3: Cross multiply
    2,764,280.80x = 4,146,631.10 × 942,079.40
  4. Step 4: Simplify right side
    2,764,280.80x = 3,906,455,738,709.34
  5. Step 5: Solve for x
    x = 3,906,455,738,709.34/2,764,280.80
  6. Step 6: Final answer
    x = 1,413,190.63

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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.