Home / 3,211,414.78-4,817,122.14-1,081,320.52

Finding the Fourth Proportional to 3,211,414.78, 4,817,122.14 and 1,081,320.52

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Solution

The fourth proportional to 3,211,414.78, 4,817,122.14 and 1,081,320.52 is: 1,621,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,414.78 : 4,817,122.14 = 1,081,320.52 : x
  2. Step 2: Convert to fraction form
    3,211,414.78/4,817,122.14 = 1,081,320.52/x
  3. Step 3: Cross multiply
    3,211,414.78x = 4,817,122.14 × 1,081,320.52
  4. Step 4: Simplify right side
    3,211,414.78x = 5,208,853,017,328.31
  5. Step 5: Solve for x
    x = 5,208,853,017,328.31/3,211,414.78
  6. Step 6: Final answer
    x = 1,621,980.77

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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.