Home / 2,642,199.78-3,646,215.15-1,434,975.78

Finding the Fourth Proportional to 2,642,199.78, 3,646,215.15 and 1,434,975.78

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Solution

The fourth proportional to 2,642,199.78, 3,646,215.15 and 1,434,975.78 is: 1,980,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,199.78 : 3,646,215.15 = 1,434,975.78 : x
  2. Step 2: Convert to fraction form
    2,642,199.78/3,646,215.15 = 1,434,975.78/x
  3. Step 3: Cross multiply
    2,642,199.78x = 3,646,215.15 × 1,434,975.78
  4. Step 4: Simplify right side
    2,642,199.78x = 5,232,230,428,919.07
  5. Step 5: Solve for x
    x = 5,232,230,428,919.07/2,642,199.78
  6. Step 6: Final answer
    x = 1,980,255.42

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1.5x scale

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.