Home / 5,161,379.39-7,122,886.75-2,838,448.51

Finding the Fourth Proportional to 5,161,379.39, 7,122,886.75 and 2,838,448.51

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Solution

The fourth proportional to 5,161,379.39, 7,122,886.75 and 2,838,448.51 is: 3,917,159.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,379.39 : 7,122,886.75 = 2,838,448.51 : x
  2. Step 2: Convert to fraction form
    5,161,379.39/7,122,886.75 = 2,838,448.51/x
  3. Step 3: Cross multiply
    5,161,379.39x = 7,122,886.75 × 2,838,448.51
  4. Step 4: Simplify right side
    5,161,379.39x = 20,217,947,268,244
  5. Step 5: Solve for x
    x = 20,217,947,268,244/5,161,379.39
  6. Step 6: Final answer
    x = 3,917,159.69

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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.