Home / 2,138,663.88-2,950,629.57-1,220,233.23

Finding the Fourth Proportional to 2,138,663.88, 2,950,629.57 and 1,220,233.23

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Solution

The fourth proportional to 2,138,663.88, 2,950,629.57 and 1,220,233.23 is: 1,683,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,663.88 : 2,950,629.57 = 1,220,233.23 : x
  2. Step 2: Convert to fraction form
    2,138,663.88/2,950,629.57 = 1,220,233.23/x
  3. Step 3: Cross multiply
    2,138,663.88x = 2,950,629.57 × 1,220,233.23
  4. Step 4: Simplify right side
    2,138,663.88x = 3,600,456,250,734.61
  5. Step 5: Solve for x
    x = 3,600,456,250,734.61/2,138,663.88
  6. Step 6: Final answer
    x = 1,683,507.30

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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.