Home / 3,927,080.52-5,419,263.42-2,208,156.84

Finding the Fourth Proportional to 3,927,080.52, 5,419,263.42 and 2,208,156.84

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Solution

The fourth proportional to 3,927,080.52, 5,419,263.42 and 2,208,156.84 is: 3,047,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927,080.52 : 5,419,263.42 = 2,208,156.84 : x
  2. Step 2: Convert to fraction form
    3,927,080.52/5,419,263.42 = 2,208,156.84/x
  3. Step 3: Cross multiply
    3,927,080.52x = 5,419,263.42 × 2,208,156.84
  4. Step 4: Simplify right side
    3,927,080.52x = 11,966,583,588,634.79
  5. Step 5: Solve for x
    x = 11,966,583,588,634.79/3,927,080.52
  6. Step 6: Final answer
    x = 3,047,195.88

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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.