Home / 3,142,469.94-4,336,486.46-1,920,820.92

Finding the Fourth Proportional to 3,142,469.94, 4,336,486.46 and 1,920,820.92

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Solution

The fourth proportional to 3,142,469.94, 4,336,486.46 and 1,920,820.92 is: 2,650,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,469.94 : 4,336,486.46 = 1,920,820.92 : x
  2. Step 2: Convert to fraction form
    3,142,469.94/4,336,486.46 = 1,920,820.92/x
  3. Step 3: Cross multiply
    3,142,469.94x = 4,336,486.46 × 1,920,820.92
  4. Step 4: Simplify right side
    3,142,469.94x = 8,329,613,911,664.74
  5. Step 5: Solve for x
    x = 8,329,613,911,664.74/3,142,469.94
  6. Step 6: Final answer
    x = 2,650,658.26

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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.