Home / 1,911,866.88-2,638,435.77-1,040,759.58

Finding the Fourth Proportional to 1,911,866.88, 2,638,435.77 and 1,040,759.58

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Solution

The fourth proportional to 1,911,866.88, 2,638,435.77 and 1,040,759.58 is: 1,436,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,866.88 : 2,638,435.77 = 1,040,759.58 : x
  2. Step 2: Convert to fraction form
    1,911,866.88/2,638,435.77 = 1,040,759.58/x
  3. Step 3: Cross multiply
    1,911,866.88x = 2,638,435.77 × 1,040,759.58
  4. Step 4: Simplify right side
    1,911,866.88x = 2,745,977,303,842.18
  5. Step 5: Solve for x
    x = 2,745,977,303,842.18/1,911,866.88
  6. Step 6: Final answer
    x = 1,436,280.60

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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.