Home / 4,920,883.20-7,379,942.40-1,556,121.60

Finding the Fourth Proportional to 4,920,883.20, 7,379,942.40 and 1,556,121.60

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Solution

The fourth proportional to 4,920,883.20, 7,379,942.40 and 1,556,121.60 is: 2,333,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,883.20 : 7,379,942.40 = 1,556,121.60 : x
  2. Step 2: Convert to fraction form
    4,920,883.20/7,379,942.40 = 1,556,121.60/x
  3. Step 3: Cross multiply
    4,920,883.20x = 7,379,942.40 × 1,556,121.60
  4. Step 4: Simplify right side
    4,920,883.20x = 11,484,087,775,395.84
  5. Step 5: Solve for x
    x = 11,484,087,775,395.84/4,920,883.20
  6. Step 6: Final answer
    x = 2,333,745.25

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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.