Home / 1,990,253.86-2,744,379.84-1,344,552.91

Finding the Fourth Proportional to 1,990,253.86, 2,744,379.84 and 1,344,552.91

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Solution

The fourth proportional to 1,990,253.86, 2,744,379.84 and 1,344,552.91 is: 1,854,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,253.86 : 2,744,379.84 = 1,344,552.91 : x
  2. Step 2: Convert to fraction form
    1,990,253.86/2,744,379.84 = 1,344,552.91/x
  3. Step 3: Cross multiply
    1,990,253.86x = 2,744,379.84 × 1,344,552.91
  4. Step 4: Simplify right side
    1,990,253.86x = 3,689,963,900,017.33
  5. Step 5: Solve for x
    x = 3,689,963,900,017.33/1,990,253.86
  6. Step 6: Final answer
    x = 1,854,016.70

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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.