Home / 1,990,873.47-2,981,660.10-1,830,112.57

Finding the Fourth Proportional to 1,990,873.47, 2,981,660.10 and 1,830,112.57

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Solution

The fourth proportional to 1,990,873.47, 2,981,660.10 and 1,830,112.57 is: 2,740,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,873.47 : 2,981,660.10 = 1,830,112.57 : x
  2. Step 2: Convert to fraction form
    1,990,873.47/2,981,660.10 = 1,830,112.57/x
  3. Step 3: Cross multiply
    1,990,873.47x = 2,981,660.10 × 1,830,112.57
  4. Step 4: Simplify right side
    1,990,873.47x = 5,456,773,628,477.46
  5. Step 5: Solve for x
    x = 5,456,773,628,477.46/1,990,873.47
  6. Step 6: Final answer
    x = 2,740,894.24

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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.