Home / 4,787,376.90-7,186,314.15-2,992,287.30

Finding the Fourth Proportional to 4,787,376.90, 7,186,314.15 and 2,992,287.30

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Solution

The fourth proportional to 4,787,376.90, 7,186,314.15 and 2,992,287.30 is: 4,491,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787,376.90 : 7,186,314.15 = 2,992,287.30 : x
  2. Step 2: Convert to fraction form
    4,787,376.90/7,186,314.15 = 2,992,287.30/x
  3. Step 3: Cross multiply
    4,787,376.90x = 7,186,314.15 × 2,992,287.30
  4. Step 4: Simplify right side
    4,787,376.90x = 21,503,516,564,855.29
  5. Step 5: Solve for x
    x = 21,503,516,564,855.29/4,787,376.90
  6. Step 6: Final answer
    x = 4,491,711.64

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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.