Home / 2,929,219.32-4,042,746.96-1,640,142.72

Finding the Fourth Proportional to 2,929,219.32, 4,042,746.96 and 1,640,142.72

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Solution

The fourth proportional to 2,929,219.32, 4,042,746.96 and 1,640,142.72 is: 2,263,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,219.32 : 4,042,746.96 = 1,640,142.72 : x
  2. Step 2: Convert to fraction form
    2,929,219.32/4,042,746.96 = 1,640,142.72/x
  3. Step 3: Cross multiply
    2,929,219.32x = 4,042,746.96 × 1,640,142.72
  4. Step 4: Simplify right side
    2,929,219.32x = 6,630,681,995,246.13
  5. Step 5: Solve for x
    x = 6,630,681,995,246.13/2,929,219.32
  6. Step 6: Final answer
    x = 2,263,634.53

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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.