Home / 3,291,512.80-4,540,458-1,914,701.60

Finding the Fourth Proportional to 3,291,512.80, 4,540,458 and 1,914,701.60

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Solution

The fourth proportional to 3,291,512.80, 4,540,458 and 1,914,701.60 is: 2,641,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291,512.80 : 4,540,458 = 1,914,701.60 : x
  2. Step 2: Convert to fraction form
    3,291,512.80/4,540,458 = 1,914,701.60/x
  3. Step 3: Cross multiply
    3,291,512.80x = 4,540,458 × 1,914,701.60
  4. Step 4: Simplify right side
    3,291,512.80x = 8,693,622,197,332.80
  5. Step 5: Solve for x
    x = 8,693,622,197,332.80/3,291,512.80
  6. Step 6: Final answer
    x = 2,641,223.88

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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.