Home / 2,858,043.75-3,938,663.55-2,805,519.84

Finding the Fourth Proportional to 2,858,043.75, 3,938,663.55 and 2,805,519.84

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Solution

The fourth proportional to 2,858,043.75, 3,938,663.55 and 2,805,519.84 is: 3,866,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,043.75 : 3,938,663.55 = 2,805,519.84 : x
  2. Step 2: Convert to fraction form
    2,858,043.75/3,938,663.55 = 2,805,519.84/x
  3. Step 3: Cross multiply
    2,858,043.75x = 3,938,663.55 × 2,805,519.84
  4. Step 4: Simplify right side
    2,858,043.75x = 11,049,998,732,609.83
  5. Step 5: Solve for x
    x = 11,049,998,732,609.83/2,858,043.75
  6. Step 6: Final answer
    x = 3,866,280.47

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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.