Home / 2,112,007.20-3,168,010.80-1,738,759.20

Finding the Fourth Proportional to 2,112,007.20, 3,168,010.80 and 1,738,759.20

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Solution

The fourth proportional to 2,112,007.20, 3,168,010.80 and 1,738,759.20 is: 2,608,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,007.20 : 3,168,010.80 = 1,738,759.20 : x
  2. Step 2: Convert to fraction form
    2,112,007.20/3,168,010.80 = 1,738,759.20/x
  3. Step 3: Cross multiply
    2,112,007.20x = 3,168,010.80 × 1,738,759.20
  4. Step 4: Simplify right side
    2,112,007.20x = 5,508,407,924,199.36
  5. Step 5: Solve for x
    x = 5,508,407,924,199.36/2,112,007.20
  6. Step 6: Final answer
    x = 2,608,138.80

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1.5x scale

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.