Home / 3,280,986.30-4,921,479.45-1,840,190.70

Finding the Fourth Proportional to 3,280,986.30, 4,921,479.45 and 1,840,190.70

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Solution

The fourth proportional to 3,280,986.30, 4,921,479.45 and 1,840,190.70 is: 2,760,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,986.30 : 4,921,479.45 = 1,840,190.70 : x
  2. Step 2: Convert to fraction form
    3,280,986.30/4,921,479.45 = 1,840,190.70/x
  3. Step 3: Cross multiply
    3,280,986.30x = 4,921,479.45 × 1,840,190.70
  4. Step 4: Simplify right side
    3,280,986.30x = 9,056,460,714,131.12
  5. Step 5: Solve for x
    x = 9,056,460,714,131.12/3,280,986.30
  6. Step 6: Final answer
    x = 2,760,286.05

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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.