Home / 2,940,779.80-4,415,316.90-1,821,035.80

Finding the Fourth Proportional to 2,940,779.80, 4,415,316.90 and 1,821,035.80

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Solution

The fourth proportional to 2,940,779.80, 4,415,316.90 and 1,821,035.80 is: 2,734,121.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940,779.80 : 4,415,316.90 = 1,821,035.80 : x
  2. Step 2: Convert to fraction form
    2,940,779.80/4,415,316.90 = 1,821,035.80/x
  3. Step 3: Cross multiply
    2,940,779.80x = 4,415,316.90 × 1,821,035.80
  4. Step 4: Simplify right side
    2,940,779.80x = 8,040,450,143,245.02
  5. Step 5: Solve for x
    x = 8,040,450,143,245.02/2,940,779.80
  6. Step 6: Final answer
    x = 2,734,121.79

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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.