Home / 3,128,339.07-4,694,283.73-1,689,003.29

Finding the Fourth Proportional to 3,128,339.07, 4,694,283.73 and 1,689,003.29

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Solution

The fourth proportional to 3,128,339.07, 4,694,283.73 and 1,689,003.29 is: 2,534,463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,339.07 : 4,694,283.73 = 1,689,003.29 : x
  2. Step 2: Convert to fraction form
    3,128,339.07/4,694,283.73 = 1,689,003.29/x
  3. Step 3: Cross multiply
    3,128,339.07x = 4,694,283.73 × 1,689,003.29
  4. Step 4: Simplify right side
    3,128,339.07x = 7,928,660,678,010.44
  5. Step 5: Solve for x
    x = 7,928,660,678,010.44/3,128,339.07
  6. Step 6: Final answer
    x = 2,534,463.34

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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.