Home / 3,617,291.40-5,428,561.70-2,915,789.28

Finding the Fourth Proportional to 3,617,291.40, 5,428,561.70 and 2,915,789.28

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Solution

The fourth proportional to 3,617,291.40, 5,428,561.70 and 2,915,789.28 is: 4,375,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,291.40 : 5,428,561.70 = 2,915,789.28 : x
  2. Step 2: Convert to fraction form
    3,617,291.40/5,428,561.70 = 2,915,789.28/x
  3. Step 3: Cross multiply
    3,617,291.40x = 5,428,561.70 × 2,915,789.28
  4. Step 4: Simplify right side
    3,617,291.40x = 15,828,542,010,678.58
  5. Step 5: Solve for x
    x = 15,828,542,010,678.58/3,617,291.40
  6. Step 6: Final answer
    x = 4,375,799.53

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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.