Home / 3,221,489.04-4,440,998.52-2,131,935.36

Finding the Fourth Proportional to 3,221,489.04, 4,440,998.52 and 2,131,935.36

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Solution

The fourth proportional to 3,221,489.04, 4,440,998.52 and 2,131,935.36 is: 2,938,989.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,489.04 : 4,440,998.52 = 2,131,935.36 : x
  2. Step 2: Convert to fraction form
    3,221,489.04/4,440,998.52 = 2,131,935.36/x
  3. Step 3: Cross multiply
    3,221,489.04x = 4,440,998.52 × 2,131,935.36
  4. Step 4: Simplify right side
    3,221,489.04x = 9,467,921,778,495.67
  5. Step 5: Solve for x
    x = 9,467,921,778,495.67/3,221,489.04
  6. Step 6: Final answer
    x = 2,938,989.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.