Home / 3,380,599.61-4,664,711.48-1,909,971.56

Finding the Fourth Proportional to 3,380,599.61, 4,664,711.48 and 1,909,971.56

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Solution

The fourth proportional to 3,380,599.61, 4,664,711.48 and 1,909,971.56 is: 2,635,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,599.61 : 4,664,711.48 = 1,909,971.56 : x
  2. Step 2: Convert to fraction form
    3,380,599.61/4,664,711.48 = 1,909,971.56/x
  3. Step 3: Cross multiply
    3,380,599.61x = 4,664,711.48 × 1,909,971.56
  4. Step 4: Simplify right side
    3,380,599.61x = 8,909,466,249,712.94
  5. Step 5: Solve for x
    x = 8,909,466,249,712.94/3,380,599.61
  6. Step 6: Final answer
    x = 2,635,469.23

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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.