Home / 3,519,522-4,856,940.36-1,909,890

Finding the Fourth Proportional to 3,519,522, 4,856,940.36 and 1,909,890

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Solution

The fourth proportional to 3,519,522, 4,856,940.36 and 1,909,890 is: 2,635,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519,522 : 4,856,940.36 = 1,909,890 : x
  2. Step 2: Convert to fraction form
    3,519,522/4,856,940.36 = 1,909,890/x
  3. Step 3: Cross multiply
    3,519,522x = 4,856,940.36 × 1,909,890
  4. Step 4: Simplify right side
    3,519,522x = 9,276,221,824,160.40
  5. Step 5: Solve for x
    x = 9,276,221,824,160.40/3,519,522
  6. Step 6: Final answer
    x = 2,635,648.20

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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.