Home / 2,016,979.20-3,021,321.60-1,386,604.80

Finding the Fourth Proportional to 2,016,979.20, 3,021,321.60 and 1,386,604.80

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Solution

The fourth proportional to 2,016,979.20, 3,021,321.60 and 1,386,604.80 is: 2,077,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,979.20 : 3,021,321.60 = 1,386,604.80 : x
  2. Step 2: Convert to fraction form
    2,016,979.20/3,021,321.60 = 1,386,604.80/x
  3. Step 3: Cross multiply
    2,016,979.20x = 3,021,321.60 × 1,386,604.80
  4. Step 4: Simplify right side
    2,016,979.20x = 4,189,379,032,903.68
  5. Step 5: Solve for x
    x = 4,189,379,032,903.68/2,016,979.20
  6. Step 6: Final answer
    x = 2,077,056.14

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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.