Home / 1,876,420.18-2,589,449.61-1,016,971.30

Finding the Fourth Proportional to 1,876,420.18, 2,589,449.61 and 1,016,971.30

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Solution

The fourth proportional to 1,876,420.18, 2,589,449.61 and 1,016,971.30 is: 1,403,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,420.18 : 2,589,449.61 = 1,016,971.30 : x
  2. Step 2: Convert to fraction form
    1,876,420.18/2,589,449.61 = 1,016,971.30/x
  3. Step 3: Cross multiply
    1,876,420.18x = 2,589,449.61 × 1,016,971.30
  4. Step 4: Simplify right side
    1,876,420.18x = 2,633,395,936,166.19
  5. Step 5: Solve for x
    x = 2,633,395,936,166.19/1,876,420.18
  6. Step 6: Final answer
    x = 1,403,414.85

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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.