Home / 1,620,972.49-2,236,948.98-885,941.61

Finding the Fourth Proportional to 1,620,972.49, 2,236,948.98 and 885,941.61

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Solution

The fourth proportional to 1,620,972.49, 2,236,948.98 and 885,941.61 is: 1,222,603.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,972.49 : 2,236,948.98 = 885,941.61 : x
  2. Step 2: Convert to fraction form
    1,620,972.49/2,236,948.98 = 885,941.61/x
  3. Step 3: Cross multiply
    1,620,972.49x = 2,236,948.98 × 885,941.61
  4. Step 4: Simplify right side
    1,620,972.49x = 1,981,806,180,829.06
  5. Step 5: Solve for x
    x = 1,981,806,180,829.06/1,620,972.49
  6. Step 6: Final answer
    x = 1,222,603.22

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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.