Home / 1,876,439.88-2,589,485.76-1,016,999.64

Finding the Fourth Proportional to 1,876,439.88, 2,589,485.76 and 1,016,999.64

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Solution

The fourth proportional to 1,876,439.88, 2,589,485.76 and 1,016,999.64 is: 1,403,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,439.88 : 2,589,485.76 = 1,016,999.64 : x
  2. Step 2: Convert to fraction form
    1,876,439.88/2,589,485.76 = 1,016,999.64/x
  3. Step 3: Cross multiply
    1,876,439.88x = 2,589,485.76 × 1,016,999.64
  4. Step 4: Simplify right side
    1,876,439.88x = 2,633,506,085,705.13
  5. Step 5: Solve for x
    x = 2,633,506,085,705.13/1,876,439.88
  6. Step 6: Final answer
    x = 1,403,458.81

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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.