Home / 2,158,991.18-2,979,388.58-1,192,100.66

Finding the Fourth Proportional to 2,158,991.18, 2,979,388.58 and 1,192,100.66

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Solution

The fourth proportional to 2,158,991.18, 2,979,388.58 and 1,192,100.66 is: 1,645,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,991.18 : 2,979,388.58 = 1,192,100.66 : x
  2. Step 2: Convert to fraction form
    2,158,991.18/2,979,388.58 = 1,192,100.66/x
  3. Step 3: Cross multiply
    2,158,991.18x = 2,979,388.58 × 1,192,100.66
  4. Step 4: Simplify right side
    2,158,991.18x = 3,551,731,092,614.46
  5. Step 5: Solve for x
    x = 3,551,731,092,614.46/2,158,991.18
  6. Step 6: Final answer
    x = 1,645,088.28

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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.