Home / 5,265,108.78-7,897,663.26-1,276,020.78

Finding the Fourth Proportional to 5,265,108.78, 7,897,663.26 and 1,276,020.78

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Solution

The fourth proportional to 5,265,108.78, 7,897,663.26 and 1,276,020.78 is: 1,914,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,108.78 : 7,897,663.26 = 1,276,020.78 : x
  2. Step 2: Convert to fraction form
    5,265,108.78/7,897,663.26 = 1,276,020.78/x
  3. Step 3: Cross multiply
    5,265,108.78x = 7,897,663.26 × 1,276,020.78
  4. Step 4: Simplify right side
    5,265,108.78x = 10,077,582,433,202.54
  5. Step 5: Solve for x
    x = 10,077,582,433,202.54/5,265,108.78
  6. Step 6: Final answer
    x = 1,914,031.19

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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.