Home / 5,146,876.86-7,101,954.48-3,081,397.52

Finding the Fourth Proportional to 5,146,876.86, 7,101,954.48 and 3,081,397.52

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Solution

The fourth proportional to 5,146,876.86, 7,101,954.48 and 3,081,397.52 is: 4,251,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146,876.86 : 7,101,954.48 = 3,081,397.52 : x
  2. Step 2: Convert to fraction form
    5,146,876.86/7,101,954.48 = 3,081,397.52/x
  3. Step 3: Cross multiply
    5,146,876.86x = 7,101,954.48 × 3,081,397.52
  4. Step 4: Simplify right side
    5,146,876.86x = 21,883,944,921,824.89
  5. Step 5: Solve for x
    x = 21,883,944,921,824.89/5,146,876.86
  6. Step 6: Final answer
    x = 4,251,888.19

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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.