Home / 2,631,720.08-3,945,890.78-1,095,779.47

Finding the Fourth Proportional to 2,631,720.08, 3,945,890.78 and 1,095,779.47

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Solution

The fourth proportional to 2,631,720.08, 3,945,890.78 and 1,095,779.47 is: 1,642,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,720.08 : 3,945,890.78 = 1,095,779.47 : x
  2. Step 2: Convert to fraction form
    2,631,720.08/3,945,890.78 = 1,095,779.47/x
  3. Step 3: Cross multiply
    2,631,720.08x = 3,945,890.78 × 1,095,779.47
  4. Step 4: Simplify right side
    2,631,720.08x = 4,323,826,102,107.39
  5. Step 5: Solve for x
    x = 4,323,826,102,107.39/2,631,720.08
  6. Step 6: Final answer
    x = 1,642,965.81

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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.