Home / 2,121,742.64-2,928,067.08-1,154,936

Finding the Fourth Proportional to 2,121,742.64, 2,928,067.08 and 1,154,936

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Solution

The fourth proportional to 2,121,742.64, 2,928,067.08 and 1,154,936 is: 1,593,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,742.64 : 2,928,067.08 = 1,154,936 : x
  2. Step 2: Convert to fraction form
    2,121,742.64/2,928,067.08 = 1,154,936/x
  3. Step 3: Cross multiply
    2,121,742.64x = 2,928,067.08 × 1,154,936
  4. Step 4: Simplify right side
    2,121,742.64x = 3,381,730,081,106.88
  5. Step 5: Solve for x
    x = 3,381,730,081,106.88/2,121,742.64
  6. Step 6: Final answer
    x = 1,593,845.56

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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.