Home / 4,787,377.40-7,186,314.90-2,992,287.80

Finding the Fourth Proportional to 4,787,377.40, 7,186,314.90 and 2,992,287.80

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Solution

The fourth proportional to 4,787,377.40, 7,186,314.90 and 2,992,287.80 is: 4,491,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787,377.40 : 7,186,314.90 = 2,992,287.80 : x
  2. Step 2: Convert to fraction form
    4,787,377.40/7,186,314.90 = 2,992,287.80/x
  3. Step 3: Cross multiply
    4,787,377.40x = 7,186,314.90 × 2,992,287.80
  4. Step 4: Simplify right side
    4,787,377.40x = 21,503,522,402,228.22
  5. Step 5: Solve for x
    x = 21,503,522,402,228.22/4,787,377.40
  6. Step 6: Final answer
    x = 4,491,712.39

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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.