Home / 4,647,428.40-6,971,147.88-1,452,571.44

Finding the Fourth Proportional to 4,647,428.40, 6,971,147.88 and 1,452,571.44

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Solution

The fourth proportional to 4,647,428.40, 6,971,147.88 and 1,452,571.44 is: 2,178,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647,428.40 : 6,971,147.88 = 1,452,571.44 : x
  2. Step 2: Convert to fraction form
    4,647,428.40/6,971,147.88 = 1,452,571.44/x
  3. Step 3: Cross multiply
    4,647,428.40x = 6,971,147.88 × 1,452,571.44
  4. Step 4: Simplify right side
    4,647,428.40x = 10,126,090,314,504.55
  5. Step 5: Solve for x
    x = 10,126,090,314,504.55/4,647,428.40
  6. Step 6: Final answer
    x = 2,178,858.81

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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.