Home / 1,922,959.20-2,884,438.80-978,175.20

Finding the Fourth Proportional to 1,922,959.20, 2,884,438.80 and 978,175.20

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Solution

The fourth proportional to 1,922,959.20, 2,884,438.80 and 978,175.20 is: 1,467,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,959.20 : 2,884,438.80 = 978,175.20 : x
  2. Step 2: Convert to fraction form
    1,922,959.20/2,884,438.80 = 978,175.20/x
  3. Step 3: Cross multiply
    1,922,959.20x = 2,884,438.80 × 978,175.20
  4. Step 4: Simplify right side
    1,922,959.20x = 2,821,486,500,077.76
  5. Step 5: Solve for x
    x = 2,821,486,500,077.76/1,922,959.20
  6. Step 6: Final answer
    x = 1,467,262.80

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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.