Home / 3,217,216.30-4,825,821.70-821,060.74

Finding the Fourth Proportional to 3,217,216.30, 4,825,821.70 and 821,060.74

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Solution

The fourth proportional to 3,217,216.30, 4,825,821.70 and 821,060.74 is: 1,231,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,216.30 : 4,825,821.70 = 821,060.74 : x
  2. Step 2: Convert to fraction form
    3,217,216.30/4,825,821.70 = 821,060.74/x
  3. Step 3: Cross multiply
    3,217,216.30x = 4,825,821.70 × 821,060.74
  4. Step 4: Simplify right side
    3,217,216.30x = 3,962,292,736,110.06
  5. Step 5: Solve for x
    x = 3,962,292,736,110.06/3,217,216.30
  6. Step 6: Final answer
    x = 1,231,590.41

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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.