Home / 1,990,907.48-2,981,710.80-1,830,146.58

Finding the Fourth Proportional to 1,990,907.48, 2,981,710.80 and 1,830,146.58

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Solution

The fourth proportional to 1,990,907.48, 2,981,710.80 and 1,830,146.58 is: 2,740,944.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,907.48 : 2,981,710.80 = 1,830,146.58 : x
  2. Step 2: Convert to fraction form
    1,990,907.48/2,981,710.80 = 1,830,146.58/x
  3. Step 3: Cross multiply
    1,990,907.48x = 2,981,710.80 × 1,830,146.58
  4. Step 4: Simplify right side
    1,990,907.48x = 5,456,967,823,169.06
  5. Step 5: Solve for x
    x = 5,456,967,823,169.06/1,990,907.48
  6. Step 6: Final answer
    x = 2,740,944.96

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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.