Home / 2,929,199.26-4,042,719.36-1,640,122.72

Finding the Fourth Proportional to 2,929,199.26, 4,042,719.36 and 1,640,122.72

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Solution

The fourth proportional to 2,929,199.26, 4,042,719.36 and 1,640,122.72 is: 2,263,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,199.26 : 4,042,719.36 = 1,640,122.72 : x
  2. Step 2: Convert to fraction form
    2,929,199.26/4,042,719.36 = 1,640,122.72/x
  3. Step 3: Cross multiply
    2,929,199.26x = 4,042,719.36 × 1,640,122.72
  4. Step 4: Simplify right side
    2,929,199.26x = 6,630,555,872,919.86
  5. Step 5: Solve for x
    x = 6,630,555,872,919.86/2,929,199.26
  6. Step 6: Final answer
    x = 2,263,606.97

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1.5x scale

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.