Home / 3,639,820.86-5,023,397.62-2,091,079.67

Finding the Fourth Proportional to 3,639,820.86, 5,023,397.62 and 2,091,079.67

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Solution

The fourth proportional to 3,639,820.86, 5,023,397.62 and 2,091,079.67 is: 2,885,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,820.86 : 5,023,397.62 = 2,091,079.67 : x
  2. Step 2: Convert to fraction form
    3,639,820.86/5,023,397.62 = 2,091,079.67/x
  3. Step 3: Cross multiply
    3,639,820.86x = 5,023,397.62 × 2,091,079.67
  4. Step 4: Simplify right side
    3,639,820.86x = 10,504,324,615,005.25
  5. Step 5: Solve for x
    x = 10,504,324,615,005.25/3,639,820.86
  6. Step 6: Final answer
    x = 2,885,945.50

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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.