Home / 1,990,255.86-2,744,382.60-1,344,554.91

Finding the Fourth Proportional to 1,990,255.86, 2,744,382.60 and 1,344,554.91

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Solution

The fourth proportional to 1,990,255.86, 2,744,382.60 and 1,344,554.91 is: 1,854,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,255.86 : 2,744,382.60 = 1,344,554.91 : x
  2. Step 2: Convert to fraction form
    1,990,255.86/2,744,382.60 = 1,344,554.91/x
  3. Step 3: Cross multiply
    1,990,255.86x = 2,744,382.60 × 1,344,554.91
  4. Step 4: Simplify right side
    1,990,255.86x = 3,689,973,099,748.57
  5. Step 5: Solve for x
    x = 3,689,973,099,748.57/1,990,255.86
  6. Step 6: Final answer
    x = 1,854,019.46

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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.