Home / 2,929,196.76-4,042,715.91-1,640,120.22

Finding the Fourth Proportional to 2,929,196.76, 4,042,715.91 and 1,640,120.22

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Solution

The fourth proportional to 2,929,196.76, 4,042,715.91 and 1,640,120.22 is: 2,263,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,196.76 : 4,042,715.91 = 1,640,120.22 : x
  2. Step 2: Convert to fraction form
    2,929,196.76/4,042,715.91 = 1,640,120.22/x
  3. Step 3: Cross multiply
    2,929,196.76x = 4,042,715.91 × 1,640,120.22
  4. Step 4: Simplify right side
    2,929,196.76x = 6,630,540,107,706.70
  5. Step 5: Solve for x
    x = 6,630,540,107,706.70/2,929,196.76
  6. Step 6: Final answer
    x = 2,263,603.52

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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.