Home / 1,990,251.39-2,745,886.21-1,622,095.48

Finding the Fourth Proportional to 1,990,251.39, 2,745,886.21 and 1,622,095.48

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Solution

The fourth proportional to 1,990,251.39, 2,745,886.21 and 1,622,095.48 is: 2,237,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,251.39 : 2,745,886.21 = 1,622,095.48 : x
  2. Step 2: Convert to fraction form
    1,990,251.39/2,745,886.21 = 1,622,095.48/x
  3. Step 3: Cross multiply
    1,990,251.39x = 2,745,886.21 × 1,622,095.48
  4. Step 4: Simplify right side
    1,990,251.39x = 4,454,089,609,835.33
  5. Step 5: Solve for x
    x = 4,454,089,609,835.33/1,990,251.39
  6. Step 6: Final answer
    x = 2,237,953.27

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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.