Home / 2,116,977.84-3,174,463.44-820,735.92

Finding the Fourth Proportional to 2,116,977.84, 3,174,463.44 and 820,735.92

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Solution

The fourth proportional to 2,116,977.84, 3,174,463.44 and 820,735.92 is: 1,230,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,977.84 : 3,174,463.44 = 820,735.92 : x
  2. Step 2: Convert to fraction form
    2,116,977.84/3,174,463.44 = 820,735.92/x
  3. Step 3: Cross multiply
    2,116,977.84x = 3,174,463.44 × 820,735.92
  4. Step 4: Simplify right side
    2,116,977.84x = 2,605,396,171,934.76
  5. Step 5: Solve for x
    x = 2,605,396,171,934.76/2,116,977.84
  6. Step 6: Final answer
    x = 1,230,714.90

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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.