Home / 3,311,409.16-4,568,934.90-2,021,779.72

Finding the Fourth Proportional to 3,311,409.16, 4,568,934.90 and 2,021,779.72

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Solution

The fourth proportional to 3,311,409.16, 4,568,934.90 and 2,021,779.72 is: 2,789,561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311,409.16 : 4,568,934.90 = 2,021,779.72 : x
  2. Step 2: Convert to fraction form
    3,311,409.16/4,568,934.90 = 2,021,779.72/x
  3. Step 3: Cross multiply
    3,311,409.16x = 4,568,934.90 × 2,021,779.72
  4. Step 4: Simplify right side
    3,311,409.16x = 9,237,379,922,820.23
  5. Step 5: Solve for x
    x = 9,237,379,922,820.23/3,311,409.16
  6. Step 6: Final answer
    x = 2,789,561.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.