Home / 2,021,270.88-2,789,280.72-1,115,833.44

Finding the Fourth Proportional to 2,021,270.88, 2,789,280.72 and 1,115,833.44

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Solution

The fourth proportional to 2,021,270.88, 2,789,280.72 and 1,115,833.44 is: 1,539,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,270.88 : 2,789,280.72 = 1,115,833.44 : x
  2. Step 2: Convert to fraction form
    2,021,270.88/2,789,280.72 = 1,115,833.44/x
  3. Step 3: Cross multiply
    2,021,270.88x = 2,789,280.72 × 1,115,833.44
  4. Step 4: Simplify right side
    2,021,270.88x = 3,112,372,700,923.28
  5. Step 5: Solve for x
    x = 3,112,372,700,923.28/2,021,270.88
  6. Step 6: Final answer
    x = 1,539,809.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.