Home / 2,171,605.60-3,257,797.20-909,560.80

Finding the Fourth Proportional to 2,171,605.60, 3,257,797.20 and 909,560.80

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Solution

The fourth proportional to 2,171,605.60, 3,257,797.20 and 909,560.80 is: 1,364,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,605.60 : 3,257,797.20 = 909,560.80 : x
  2. Step 2: Convert to fraction form
    2,171,605.60/3,257,797.20 = 909,560.80/x
  3. Step 3: Cross multiply
    2,171,605.60x = 3,257,797.20 × 909,560.80
  4. Step 4: Simplify right side
    2,171,605.60x = 2,963,164,627,469.76
  5. Step 5: Solve for x
    x = 2,963,164,627,469.76/2,171,605.60
  6. Step 6: Final answer
    x = 1,364,504.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.