Home / 2,167,111.43-2,990,638.87-1,200,257.87

Finding the Fourth Proportional to 2,167,111.43, 2,990,638.87 and 1,200,257.87

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Solution

The fourth proportional to 2,167,111.43, 2,990,638.87 and 1,200,257.87 is: 1,656,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,111.43 : 2,990,638.87 = 1,200,257.87 : x
  2. Step 2: Convert to fraction form
    2,167,111.43/2,990,638.87 = 1,200,257.87/x
  3. Step 3: Cross multiply
    2,167,111.43x = 2,990,638.87 × 1,200,257.87
  4. Step 4: Simplify right side
    2,167,111.43x = 3,589,537,822,091.57
  5. Step 5: Solve for x
    x = 3,589,537,822,091.57/2,167,111.43
  6. Step 6: Final answer
    x = 1,656,369.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.