Home / 1,987,276.20-2,981,303.10-850,036.20

Finding the Fourth Proportional to 1,987,276.20, 2,981,303.10 and 850,036.20

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Solution

The fourth proportional to 1,987,276.20, 2,981,303.10 and 850,036.20 is: 1,275,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,276.20 : 2,981,303.10 = 850,036.20 : x
  2. Step 2: Convert to fraction form
    1,987,276.20/2,981,303.10 = 850,036.20/x
  3. Step 3: Cross multiply
    1,987,276.20x = 2,981,303.10 × 850,036.20
  4. Step 4: Simplify right side
    1,987,276.20x = 2,534,215,558,172.22
  5. Step 5: Solve for x
    x = 2,534,215,558,172.22/1,987,276.20
  6. Step 6: Final answer
    x = 1,275,220.61

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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.