Home / 2,929,219.82-4,042,747.65-1,640,143.22

Finding the Fourth Proportional to 2,929,219.82, 4,042,747.65 and 1,640,143.22

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Solution

The fourth proportional to 2,929,219.82, 4,042,747.65 and 1,640,143.22 is: 2,263,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,219.82 : 4,042,747.65 = 1,640,143.22 : x
  2. Step 2: Convert to fraction form
    2,929,219.82/4,042,747.65 = 1,640,143.22/x
  3. Step 3: Cross multiply
    2,929,219.82x = 4,042,747.65 × 1,640,143.22
  4. Step 4: Simplify right side
    2,929,219.82x = 6,630,685,148,318.43
  5. Step 5: Solve for x
    x = 6,630,685,148,318.43/2,929,219.82
  6. Step 6: Final answer
    x = 2,263,635.22

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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.