Home / 2,029,175.78-2,800,162.79-1,111,408.93

Finding the Fourth Proportional to 2,029,175.78, 2,800,162.79 and 1,111,408.93

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Solution

The fourth proportional to 2,029,175.78, 2,800,162.79 and 1,111,408.93 is: 1,533,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029,175.78 : 2,800,162.79 = 1,111,408.93 : x
  2. Step 2: Convert to fraction form
    2,029,175.78/2,800,162.79 = 1,111,408.93/x
  3. Step 3: Cross multiply
    2,029,175.78x = 2,800,162.79 × 1,111,408.93
  4. Step 4: Simplify right side
    2,029,175.78x = 3,112,125,916,258.90
  5. Step 5: Solve for x
    x = 3,112,125,916,258.90/2,029,175.78
  6. Step 6: Final answer
    x = 1,533,689.66

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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.