Home / 1,608,445.42-2,219,691.90-920,181.94

Finding the Fourth Proportional to 1,608,445.42, 2,219,691.90 and 920,181.94

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Solution

The fourth proportional to 1,608,445.42, 2,219,691.90 and 920,181.94 is: 1,269,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,445.42 : 2,219,691.90 = 920,181.94 : x
  2. Step 2: Convert to fraction form
    1,608,445.42/2,219,691.90 = 920,181.94/x
  3. Step 3: Cross multiply
    1,608,445.42x = 2,219,691.90 × 920,181.94
  4. Step 4: Simplify right side
    1,608,445.42x = 2,042,520,398,744.29
  5. Step 5: Solve for x
    x = 2,042,520,398,744.29/1,608,445.42
  6. Step 6: Final answer
    x = 1,269,872.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.