Home / 1,802,743.21-2,487,786.20-986,998.71

Finding the Fourth Proportional to 1,802,743.21, 2,487,786.20 and 986,998.71

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Solution

The fourth proportional to 1,802,743.21, 2,487,786.20 and 986,998.71 is: 1,362,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,743.21 : 2,487,786.20 = 986,998.71 : x
  2. Step 2: Convert to fraction form
    1,802,743.21/2,487,786.20 = 986,998.71/x
  3. Step 3: Cross multiply
    1,802,743.21x = 2,487,786.20 × 986,998.71
  4. Step 4: Simplify right side
    1,802,743.21x = 2,455,441,755,891.61
  5. Step 5: Solve for x
    x = 2,455,441,755,891.61/1,802,743.21
  6. Step 6: Final answer
    x = 1,362,058.52

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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.