Home / 2,187,379.64-3,018,580.14-1,220,451

Finding the Fourth Proportional to 2,187,379.64, 3,018,580.14 and 1,220,451

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Solution

The fourth proportional to 2,187,379.64, 3,018,580.14 and 1,220,451 is: 1,684,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,379.64 : 3,018,580.14 = 1,220,451 : x
  2. Step 2: Convert to fraction form
    2,187,379.64/3,018,580.14 = 1,220,451/x
  3. Step 3: Cross multiply
    2,187,379.64x = 3,018,580.14 × 1,220,451
  4. Step 4: Simplify right side
    2,187,379.64x = 3,684,029,150,443.14
  5. Step 5: Solve for x
    x = 3,684,029,150,443.14/2,187,379.64
  6. Step 6: Final answer
    x = 1,684,220.28

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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.