Home / 1,954,644.80-2,929,828.80-691,822.40

Finding the Fourth Proportional to 1,954,644.80, 2,929,828.80 and 691,822.40

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Solution

The fourth proportional to 1,954,644.80, 2,929,828.80 and 691,822.40 is: 1,036,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,644.80 : 2,929,828.80 = 691,822.40 : x
  2. Step 2: Convert to fraction form
    1,954,644.80/2,929,828.80 = 691,822.40/x
  3. Step 3: Cross multiply
    1,954,644.80x = 2,929,828.80 × 691,822.40
  4. Step 4: Simplify right side
    1,954,644.80x = 2,026,921,192,005.12
  5. Step 5: Solve for x
    x = 2,026,921,192,005.12/1,954,644.80
  6. Step 6: Final answer
    x = 1,036,976.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.