Home / 4,680,758.40-7,021,137.60-3,882,940.80

Finding the Fourth Proportional to 4,680,758.40, 7,021,137.60 and 3,882,940.80

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Solution

The fourth proportional to 4,680,758.40, 7,021,137.60 and 3,882,940.80 is: 5,824,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,758.40 : 7,021,137.60 = 3,882,940.80 : x
  2. Step 2: Convert to fraction form
    4,680,758.40/7,021,137.60 = 3,882,940.80/x
  3. Step 3: Cross multiply
    4,680,758.40x = 7,021,137.60 × 3,882,940.80
  4. Step 4: Simplify right side
    4,680,758.40x = 27,262,661,649,454.08
  5. Step 5: Solve for x
    x = 27,262,661,649,454.08/4,680,758.40
  6. Step 6: Final answer
    x = 5,824,411.20

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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.