Home / 2,219,891.90-3,328,489.46-870,437.75

Finding the Fourth Proportional to 2,219,891.90, 3,328,489.46 and 870,437.75

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Solution

The fourth proportional to 2,219,891.90, 3,328,489.46 and 870,437.75 is: 1,305,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,891.90 : 3,328,489.46 = 870,437.75 : x
  2. Step 2: Convert to fraction form
    2,219,891.90/3,328,489.46 = 870,437.75/x
  3. Step 3: Cross multiply
    2,219,891.90x = 3,328,489.46 × 870,437.75
  4. Step 4: Simplify right side
    2,219,891.90x = 2,897,242,876,461.12
  5. Step 5: Solve for x
    x = 2,897,242,876,461.12/2,219,891.90
  6. Step 6: Final answer
    x = 1,305,127.91

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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.