Home / 5,161,894.09-7,121,397.79-2,955,577.82

Finding the Fourth Proportional to 5,161,894.09, 7,121,397.79 and 2,955,577.82

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Solution

The fourth proportional to 5,161,894.09, 7,121,397.79 and 2,955,577.82 is: 4,077,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,894.09 : 7,121,397.79 = 2,955,577.82 : x
  2. Step 2: Convert to fraction form
    5,161,894.09/7,121,397.79 = 2,955,577.82/x
  3. Step 3: Cross multiply
    5,161,894.09x = 7,121,397.79 × 2,955,577.82
  4. Step 4: Simplify right side
    5,161,894.09x = 21,047,845,323,608.50
  5. Step 5: Solve for x
    x = 21,047,845,323,608.50/5,161,894.09
  6. Step 6: Final answer
    x = 4,077,543.04

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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.