Home / 2,118,664.13-3,179,395.87-996,820.61

Finding the Fourth Proportional to 2,118,664.13, 3,179,395.87 and 996,820.61

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Solution

The fourth proportional to 2,118,664.13, 3,179,395.87 and 996,820.61 is: 1,495,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,664.13 : 3,179,395.87 = 996,820.61 : x
  2. Step 2: Convert to fraction form
    2,118,664.13/3,179,395.87 = 996,820.61/x
  3. Step 3: Cross multiply
    2,118,664.13x = 3,179,395.87 × 996,820.61
  4. Step 4: Simplify right side
    2,118,664.13x = 3,169,287,312,175.85
  5. Step 5: Solve for x
    x = 3,169,287,312,175.85/2,118,664.13
  6. Step 6: Final answer
    x = 1,495,889.45

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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.