Home / 2,154,814.20-3,230,039.76-1,397,135.34

Finding the Fourth Proportional to 2,154,814.20, 3,230,039.76 and 1,397,135.34

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Solution

The fourth proportional to 2,154,814.20, 3,230,039.76 and 1,397,135.34 is: 2,094,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,814.20 : 3,230,039.76 = 1,397,135.34 : x
  2. Step 2: Convert to fraction form
    2,154,814.20/3,230,039.76 = 1,397,135.34/x
  3. Step 3: Cross multiply
    2,154,814.20x = 3,230,039.76 × 1,397,135.34
  4. Step 4: Simplify right side
    2,154,814.20x = 4,512,802,698,301.12
  5. Step 5: Solve for x
    x = 4,512,802,698,301.12/2,154,814.20
  6. Step 6: Final answer
    x = 2,094,288.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.