Home / 1,510,826.97-2,085,091.83-1,128,189.45

Finding the Fourth Proportional to 1,510,826.97, 2,085,091.83 and 1,128,189.45

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Solution

The fourth proportional to 1,510,826.97, 2,085,091.83 and 1,128,189.45 is: 1,557,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,826.97 : 2,085,091.83 = 1,128,189.45 : x
  2. Step 2: Convert to fraction form
    1,510,826.97/2,085,091.83 = 1,128,189.45/x
  3. Step 3: Cross multiply
    1,510,826.97x = 2,085,091.83 × 1,128,189.45
  4. Step 4: Simplify right side
    1,510,826.97x = 2,352,378,604,887.19
  5. Step 5: Solve for x
    x = 2,352,378,604,887.19/1,510,826.97
  6. Step 6: Final answer
    x = 1,557,013.91

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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.