Home / 5,265,072-7,897,608-1,275,984

Finding the Fourth Proportional to 5,265,072, 7,897,608 and 1,275,984

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Solution

The fourth proportional to 5,265,072, 7,897,608 and 1,275,984 is: 1,913,976

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,072 : 7,897,608 = 1,275,984 : x
  2. Step 2: Convert to fraction form
    5,265,072/7,897,608 = 1,275,984/x
  3. Step 3: Cross multiply
    5,265,072x = 7,897,608 × 1,275,984
  4. Step 4: Simplify right side
    5,265,072x = 10,077,221,446,272
  5. Step 5: Solve for x
    x = 10,077,221,446,272/5,265,072
  6. Step 6: Final answer
    x = 1,913,976

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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.