Home / 2,187,508.32-3,018,755.52-1,220,628

Finding the Fourth Proportional to 2,187,508.32, 3,018,755.52 and 1,220,628

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Solution

The fourth proportional to 2,187,508.32, 3,018,755.52 and 1,220,628 is: 1,684,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,508.32 : 3,018,755.52 = 1,220,628 : x
  2. Step 2: Convert to fraction form
    2,187,508.32/3,018,755.52 = 1,220,628/x
  3. Step 3: Cross multiply
    2,187,508.32x = 3,018,755.52 × 1,220,628
  4. Step 4: Simplify right side
    2,187,508.32x = 3,684,777,512,866.56
  5. Step 5: Solve for x
    x = 3,684,777,512,866.56/2,187,508.32
  6. Step 6: Final answer
    x = 1,684,463.31

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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.