Home / 2,195,641.22-3,029,919.66-1,215,623.84

Finding the Fourth Proportional to 2,195,641.22, 3,029,919.66 and 1,215,623.84

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Solution

The fourth proportional to 2,195,641.22, 3,029,919.66 and 1,215,623.84 is: 1,677,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,641.22 : 3,029,919.66 = 1,215,623.84 : x
  2. Step 2: Convert to fraction form
    2,195,641.22/3,029,919.66 = 1,215,623.84/x
  3. Step 3: Cross multiply
    2,195,641.22x = 3,029,919.66 × 1,215,623.84
  4. Step 4: Simplify right side
    2,195,641.22x = 3,683,242,556,831.10
  5. Step 5: Solve for x
    x = 3,683,242,556,831.10/2,195,641.22
  6. Step 6: Final answer
    x = 1,677,524.78

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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.