Home / 2,177,680.71-3,005,120.73-1,197,611.28

Finding the Fourth Proportional to 2,177,680.71, 3,005,120.73 and 1,197,611.28

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Solution

The fourth proportional to 2,177,680.71, 3,005,120.73 and 1,197,611.28 is: 1,652,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,680.71 : 3,005,120.73 = 1,197,611.28 : x
  2. Step 2: Convert to fraction form
    2,177,680.71/3,005,120.73 = 1,197,611.28/x
  3. Step 3: Cross multiply
    2,177,680.71x = 3,005,120.73 × 1,197,611.28
  4. Step 4: Simplify right side
    2,177,680.71x = 3,598,966,484,009.83
  5. Step 5: Solve for x
    x = 3,598,966,484,009.83/2,177,680.71
  6. Step 6: Final answer
    x = 1,652,660.31

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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.