Home / 4,171,989.60-6,257,984.40-1,646,344.80

Finding the Fourth Proportional to 4,171,989.60, 6,257,984.40 and 1,646,344.80

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Solution

The fourth proportional to 4,171,989.60, 6,257,984.40 and 1,646,344.80 is: 2,469,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171,989.60 : 6,257,984.40 = 1,646,344.80 : x
  2. Step 2: Convert to fraction form
    4,171,989.60/6,257,984.40 = 1,646,344.80/x
  3. Step 3: Cross multiply
    4,171,989.60x = 6,257,984.40 × 1,646,344.80
  4. Step 4: Simplify right side
    4,171,989.60x = 10,302,800,075,421.12
  5. Step 5: Solve for x
    x = 10,302,800,075,421.12/4,171,989.60
  6. Step 6: Final answer
    x = 2,469,517.20

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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.