Home / 2,290,751.96-3,161,151.09-1,272,222.32

Finding the Fourth Proportional to 2,290,751.96, 3,161,151.09 and 1,272,222.32

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Solution

The fourth proportional to 2,290,751.96, 3,161,151.09 and 1,272,222.32 is: 1,755,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,751.96 : 3,161,151.09 = 1,272,222.32 : x
  2. Step 2: Convert to fraction form
    2,290,751.96/3,161,151.09 = 1,272,222.32/x
  3. Step 3: Cross multiply
    2,290,751.96x = 3,161,151.09 × 1,272,222.32
  4. Step 4: Simplify right side
    2,290,751.96x = 4,021,686,957,784.57
  5. Step 5: Solve for x
    x = 4,021,686,957,784.57/2,290,751.96
  6. Step 6: Final answer
    x = 1,755,618.69

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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.