Home / 2,133,606.90-3,200,410.35-1,971,405.30

Finding the Fourth Proportional to 2,133,606.90, 3,200,410.35 and 1,971,405.30

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Solution

The fourth proportional to 2,133,606.90, 3,200,410.35 and 1,971,405.30 is: 2,957,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,606.90 : 3,200,410.35 = 1,971,405.30 : x
  2. Step 2: Convert to fraction form
    2,133,606.90/3,200,410.35 = 1,971,405.30/x
  3. Step 3: Cross multiply
    2,133,606.90x = 3,200,410.35 × 1,971,405.30
  4. Step 4: Simplify right side
    2,133,606.90x = 6,309,305,926,164.86
  5. Step 5: Solve for x
    x = 6,309,305,926,164.86/2,133,606.90
  6. Step 6: Final answer
    x = 2,957,107.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.