Home / 2,118,657.75-3,179,386.31-996,814.23

Finding the Fourth Proportional to 2,118,657.75, 3,179,386.31 and 996,814.23

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Solution

The fourth proportional to 2,118,657.75, 3,179,386.31 and 996,814.23 is: 1,495,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,657.75 : 3,179,386.31 = 996,814.23 : x
  2. Step 2: Convert to fraction form
    2,118,657.75/3,179,386.31 = 996,814.23/x
  3. Step 3: Cross multiply
    2,118,657.75x = 3,179,386.31 × 996,814.23
  4. Step 4: Simplify right side
    2,118,657.75x = 3,169,257,511,491.12
  5. Step 5: Solve for x
    x = 3,169,257,511,491.12/2,118,657.75
  6. Step 6: Final answer
    x = 1,495,879.89

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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.