Home / 2,005,721.76-3,009,468.04-809,979.48

Finding the Fourth Proportional to 2,005,721.76, 3,009,468.04 and 809,979.48

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Solution

The fourth proportional to 2,005,721.76, 3,009,468.04 and 809,979.48 is: 1,215,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,721.76 : 3,009,468.04 = 809,979.48 : x
  2. Step 2: Convert to fraction form
    2,005,721.76/3,009,468.04 = 809,979.48/x
  3. Step 3: Cross multiply
    2,005,721.76x = 3,009,468.04 × 809,979.48
  4. Step 4: Simplify right side
    2,005,721.76x = 2,437,607,358,115.82
  5. Step 5: Solve for x
    x = 2,437,607,358,115.82/2,005,721.76
  6. Step 6: Final answer
    x = 1,215,326.77

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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.