Home / 2,167,616.08-2,991,309.72-1,187,589.92

Finding the Fourth Proportional to 2,167,616.08, 2,991,309.72 and 1,187,589.92

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Solution

The fourth proportional to 2,167,616.08, 2,991,309.72 and 1,187,589.92 is: 1,638,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,616.08 : 2,991,309.72 = 1,187,589.92 : x
  2. Step 2: Convert to fraction form
    2,167,616.08/2,991,309.72 = 1,187,589.92/x
  3. Step 3: Cross multiply
    2,167,616.08x = 2,991,309.72 × 1,187,589.92
  4. Step 4: Simplify right side
    2,167,616.08x = 3,552,449,271,070.02
  5. Step 5: Solve for x
    x = 3,552,449,271,070.02/2,167,616.08
  6. Step 6: Final answer
    x = 1,638,873.83

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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.