Home / 2,021,861.20-3,032,791.80-958,979.20

Finding the Fourth Proportional to 2,021,861.20, 3,032,791.80 and 958,979.20

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Solution

The fourth proportional to 2,021,861.20, 3,032,791.80 and 958,979.20 is: 1,438,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,861.20 : 3,032,791.80 = 958,979.20 : x
  2. Step 2: Convert to fraction form
    2,021,861.20/3,032,791.80 = 958,979.20/x
  3. Step 3: Cross multiply
    2,021,861.20x = 3,032,791.80 × 958,979.20
  4. Step 4: Simplify right side
    2,021,861.20x = 2,908,384,254,130.56
  5. Step 5: Solve for x
    x = 2,908,384,254,130.56/2,021,861.20
  6. Step 6: Final answer
    x = 1,438,468.80

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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.