Home / 2,020,695.80-3,028,419.27-821,222.28

Finding the Fourth Proportional to 2,020,695.80, 3,028,419.27 and 821,222.28

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Solution

The fourth proportional to 2,020,695.80, 3,028,419.27 and 821,222.28 is: 1,230,766.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,695.80 : 3,028,419.27 = 821,222.28 : x
  2. Step 2: Convert to fraction form
    2,020,695.80/3,028,419.27 = 821,222.28/x
  3. Step 3: Cross multiply
    2,020,695.80x = 3,028,419.27 × 821,222.28
  4. Step 4: Simplify right side
    2,020,695.80x = 2,487,005,377,705.34
  5. Step 5: Solve for x
    x = 2,487,005,377,705.34/2,020,695.80
  6. Step 6: Final answer
    x = 1,230,766.84

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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.