Home / 2,221,266.22-3,329,380.51-1,020,707.78

Finding the Fourth Proportional to 2,221,266.22, 3,329,380.51 and 1,020,707.78

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Solution

The fourth proportional to 2,221,266.22, 3,329,380.51 and 1,020,707.78 is: 1,529,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,266.22 : 3,329,380.51 = 1,020,707.78 : x
  2. Step 2: Convert to fraction form
    2,221,266.22/3,329,380.51 = 1,020,707.78/x
  3. Step 3: Cross multiply
    2,221,266.22x = 3,329,380.51 × 1,020,707.78
  4. Step 4: Simplify right side
    2,221,266.22x = 3,398,324,569,938.70
  5. Step 5: Solve for x
    x = 3,398,324,569,938.70/2,221,266.22
  6. Step 6: Final answer
    x = 1,529,904.22

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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.