Home / 1,918,694.07-2,647,801.17-1,059,255.72

Finding the Fourth Proportional to 1,918,694.07, 2,647,801.17 and 1,059,255.72

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Solution

The fourth proportional to 1,918,694.07, 2,647,801.17 and 1,059,255.72 is: 1,461,774.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,694.07 : 2,647,801.17 = 1,059,255.72 : x
  2. Step 2: Convert to fraction form
    1,918,694.07/2,647,801.17 = 1,059,255.72/x
  3. Step 3: Cross multiply
    1,918,694.07x = 2,647,801.17 × 1,059,255.72
  4. Step 4: Simplify right side
    1,918,694.07x = 2,804,698,534,745.19
  5. Step 5: Solve for x
    x = 2,804,698,534,745.19/1,918,694.07
  6. Step 6: Final answer
    x = 1,461,774.74

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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.