Home / 3,896,141.40-5,376,659.45-2,177,261.46

Finding the Fourth Proportional to 3,896,141.40, 5,376,659.45 and 2,177,261.46

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Solution

The fourth proportional to 3,896,141.40, 5,376,659.45 and 2,177,261.46 is: 3,004,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896,141.40 : 5,376,659.45 = 2,177,261.46 : x
  2. Step 2: Convert to fraction form
    3,896,141.40/5,376,659.45 = 2,177,261.46/x
  3. Step 3: Cross multiply
    3,896,141.40x = 5,376,659.45 × 2,177,261.46
  4. Step 4: Simplify right side
    3,896,141.40x = 11,706,393,393,143.49
  5. Step 5: Solve for x
    x = 11,706,393,393,143.49/3,896,141.40
  6. Step 6: Final answer
    x = 3,004,612.05

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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.