Home / 1,821,661.76-2,514,106.46-1,515,197.45

Finding the Fourth Proportional to 1,821,661.76, 2,514,106.46 and 1,515,197.45

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Solution

The fourth proportional to 1,821,661.76, 2,514,106.46 and 1,515,197.45 is: 2,091,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,661.76 : 2,514,106.46 = 1,515,197.45 : x
  2. Step 2: Convert to fraction form
    1,821,661.76/2,514,106.46 = 1,515,197.45/x
  3. Step 3: Cross multiply
    1,821,661.76x = 2,514,106.46 × 1,515,197.45
  4. Step 4: Simplify right side
    1,821,661.76x = 3,809,367,697,220.53
  5. Step 5: Solve for x
    x = 3,809,367,697,220.53/1,821,661.76
  6. Step 6: Final answer
    x = 2,091,149.84

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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.