Home / 2,158,825.67-2,979,225.87-1,192,017.06

Finding the Fourth Proportional to 2,158,825.67, 2,979,225.87 and 1,192,017.06

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Solution

The fourth proportional to 2,158,825.67, 2,979,225.87 and 1,192,017.06 is: 1,645,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,825.67 : 2,979,225.87 = 1,192,017.06 : x
  2. Step 2: Convert to fraction form
    2,158,825.67/2,979,225.87 = 1,192,017.06/x
  3. Step 3: Cross multiply
    2,158,825.67x = 2,979,225.87 × 1,192,017.06
  4. Step 4: Simplify right side
    2,158,825.67x = 3,551,288,058,163.28
  5. Step 5: Solve for x
    x = 3,551,288,058,163.28/2,158,825.67
  6. Step 6: Final answer
    x = 1,645,009.19

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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.