Home / 1,916,155.80-2,874,120.86-717,977.81

Finding the Fourth Proportional to 1,916,155.80, 2,874,120.86 and 717,977.81

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Solution

The fourth proportional to 1,916,155.80, 2,874,120.86 and 717,977.81 is: 1,076,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,155.80 : 2,874,120.86 = 717,977.81 : x
  2. Step 2: Convert to fraction form
    1,916,155.80/2,874,120.86 = 717,977.81/x
  3. Step 3: Cross multiply
    1,916,155.80x = 2,874,120.86 × 717,977.81
  4. Step 4: Simplify right side
    1,916,155.80x = 2,063,554,982,777.62
  5. Step 5: Solve for x
    x = 2,063,554,982,777.62/1,916,155.80
  6. Step 6: Final answer
    x = 1,076,924.42

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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.