Home / 3,505,943.28-4,838,206.36-1,978,192.56

Finding the Fourth Proportional to 3,505,943.28, 4,838,206.36 and 1,978,192.56

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Solution

The fourth proportional to 3,505,943.28, 4,838,206.36 and 1,978,192.56 is: 2,729,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,943.28 : 4,838,206.36 = 1,978,192.56 : x
  2. Step 2: Convert to fraction form
    3,505,943.28/4,838,206.36 = 1,978,192.56/x
  3. Step 3: Cross multiply
    3,505,943.28x = 4,838,206.36 × 1,978,192.56
  4. Step 4: Simplify right side
    3,505,943.28x = 9,570,903,825,096.68
  5. Step 5: Solve for x
    x = 9,570,903,825,096.68/3,505,943.28
  6. Step 6: Final answer
    x = 2,729,908.35

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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.