Home / 5,172,252.39-7,137,197.37-2,880,626.31

Finding the Fourth Proportional to 5,172,252.39, 7,137,197.37 and 2,880,626.31

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Solution

The fourth proportional to 5,172,252.39, 7,137,197.37 and 2,880,626.31 is: 3,974,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,252.39 : 7,137,197.37 = 2,880,626.31 : x
  2. Step 2: Convert to fraction form
    5,172,252.39/7,137,197.37 = 2,880,626.31/x
  3. Step 3: Cross multiply
    5,172,252.39x = 7,137,197.37 × 2,880,626.31
  4. Step 4: Simplify right side
    5,172,252.39x = 20,559,598,523,684.80
  5. Step 5: Solve for x
    x = 20,559,598,523,684.80/5,172,252.39
  6. Step 6: Final answer
    x = 3,974,979.75

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1.5x scale

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.