Home / 1,634,319.74-2,250,227.48-1,388,786.62

Finding the Fourth Proportional to 1,634,319.74, 2,250,227.48 and 1,388,786.62

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Solution

The fourth proportional to 1,634,319.74, 2,250,227.48 and 1,388,786.62 is: 1,912,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,319.74 : 2,250,227.48 = 1,388,786.62 : x
  2. Step 2: Convert to fraction form
    1,634,319.74/2,250,227.48 = 1,388,786.62/x
  3. Step 3: Cross multiply
    1,634,319.74x = 2,250,227.48 × 1,388,786.62
  4. Step 4: Simplify right side
    1,634,319.74x = 3,125,085,803,610.82
  5. Step 5: Solve for x
    x = 3,125,085,803,610.82/1,634,319.74
  6. Step 6: Final answer
    x = 1,912,163.05

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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.