Home / 3,519,465.75-4,856,862.74-1,909,833.75

Finding the Fourth Proportional to 3,519,465.75, 4,856,862.74 and 1,909,833.75

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Solution

The fourth proportional to 3,519,465.75, 4,856,862.74 and 1,909,833.75 is: 2,635,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519,465.75 : 4,856,862.74 = 1,909,833.75 : x
  2. Step 2: Convert to fraction form
    3,519,465.75/4,856,862.74 = 1,909,833.75/x
  3. Step 3: Cross multiply
    3,519,465.75x = 4,856,862.74 × 1,909,833.75
  4. Step 4: Simplify right side
    3,519,465.75x = 9,275,800,370,420.31
  5. Step 5: Solve for x
    x = 9,275,800,370,420.31/3,519,465.75
  6. Step 6: Final answer
    x = 2,635,570.58

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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.