Home / 2,219,889.78-3,328,486.26-870,435.63

Finding the Fourth Proportional to 2,219,889.78, 3,328,486.26 and 870,435.63

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Solution

The fourth proportional to 2,219,889.78, 3,328,486.26 and 870,435.63 is: 1,305,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,889.78 : 3,328,486.26 = 870,435.63 : x
  2. Step 2: Convert to fraction form
    2,219,889.78/3,328,486.26 = 870,435.63/x
  3. Step 3: Cross multiply
    2,219,889.78x = 3,328,486.26 × 870,435.63
  4. Step 4: Simplify right side
    2,219,889.78x = 2,897,233,034,669.44
  5. Step 5: Solve for x
    x = 2,897,233,034,669.44/2,219,889.78
  6. Step 6: Final answer
    x = 1,305,124.72

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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.