Home / 2,718,416.80-4,074,931.78-1,276,519.07

Finding the Fourth Proportional to 2,718,416.80, 4,074,931.78 and 1,276,519.07

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Solution

The fourth proportional to 2,718,416.80, 4,074,931.78 and 1,276,519.07 is: 1,913,513.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,416.80 : 4,074,931.78 = 1,276,519.07 : x
  2. Step 2: Convert to fraction form
    2,718,416.80/4,074,931.78 = 1,276,519.07/x
  3. Step 3: Cross multiply
    2,718,416.80x = 4,074,931.78 × 1,276,519.07
  4. Step 4: Simplify right side
    2,718,416.80x = 5,201,728,099,361.79
  5. Step 5: Solve for x
    x = 5,201,728,099,361.79/2,718,416.80
  6. Step 6: Final answer
    x = 1,913,513.82

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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.