Home / 3,016,777.50-4,163,235.09-1,640,213.88

Finding the Fourth Proportional to 3,016,777.50, 4,163,235.09 and 1,640,213.88

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Solution

The fourth proportional to 3,016,777.50, 4,163,235.09 and 1,640,213.88 is: 2,263,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016,777.50 : 4,163,235.09 = 1,640,213.88 : x
  2. Step 2: Convert to fraction form
    3,016,777.50/4,163,235.09 = 1,640,213.88/x
  3. Step 3: Cross multiply
    3,016,777.50x = 4,163,235.09 × 1,640,213.88
  4. Step 4: Simplify right side
    3,016,777.50x = 6,828,595,980,321.05
  5. Step 5: Solve for x
    x = 6,828,595,980,321.05/3,016,777.50
  6. Step 6: Final answer
    x = 2,263,539.81

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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.