Home / 2,619,988.96-3,929,983.44-726,730.39

Finding the Fourth Proportional to 2,619,988.96, 3,929,983.44 and 726,730.39

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Solution

The fourth proportional to 2,619,988.96, 3,929,983.44 and 726,730.39 is: 1,090,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,988.96 : 3,929,983.44 = 726,730.39 : x
  2. Step 2: Convert to fraction form
    2,619,988.96/3,929,983.44 = 726,730.39/x
  3. Step 3: Cross multiply
    2,619,988.96x = 3,929,983.44 × 726,730.39
  4. Step 4: Simplify right side
    2,619,988.96x = 2,856,038,394,411.09
  5. Step 5: Solve for x
    x = 2,856,038,394,411.09/2,619,988.96
  6. Step 6: Final answer
    x = 1,090,095.59

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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.