Home / 3,109,042.60-4,663,563.96-1,214,455.43

Finding the Fourth Proportional to 3,109,042.60, 4,663,563.96 and 1,214,455.43

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Solution

The fourth proportional to 3,109,042.60, 4,663,563.96 and 1,214,455.43 is: 1,821,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,042.60 : 4,663,563.96 = 1,214,455.43 : x
  2. Step 2: Convert to fraction form
    3,109,042.60/4,663,563.96 = 1,214,455.43/x
  3. Step 3: Cross multiply
    3,109,042.60x = 4,663,563.96 × 1,214,455.43
  4. Step 4: Simplify right side
    3,109,042.60x = 5,663,690,590,587.42
  5. Step 5: Solve for x
    x = 5,663,690,590,587.42/3,109,042.60
  6. Step 6: Final answer
    x = 1,821,683.18

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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.