Home / 1,871,361.20-2,582,476.56-1,011,919.28

Finding the Fourth Proportional to 1,871,361.20, 2,582,476.56 and 1,011,919.28

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Solution

The fourth proportional to 1,871,361.20, 2,582,476.56 and 1,011,919.28 is: 1,396,447.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,361.20 : 2,582,476.56 = 1,011,919.28 : x
  2. Step 2: Convert to fraction form
    1,871,361.20/2,582,476.56 = 1,011,919.28/x
  3. Step 3: Cross multiply
    1,871,361.20x = 2,582,476.56 × 1,011,919.28
  4. Step 4: Simplify right side
    1,871,361.20x = 2,613,257,821,212.08
  5. Step 5: Solve for x
    x = 2,613,257,821,212.08/1,871,361.20
  6. Step 6: Final answer
    x = 1,396,447.58

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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.