Home / 1,891,983.88-2,610,942.42-1,076,169.16

Finding the Fourth Proportional to 1,891,983.88, 2,610,942.42 and 1,076,169.16

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Solution

The fourth proportional to 1,891,983.88, 2,610,942.42 and 1,076,169.16 is: 1,485,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,983.88 : 2,610,942.42 = 1,076,169.16 : x
  2. Step 2: Convert to fraction form
    1,891,983.88/2,610,942.42 = 1,076,169.16/x
  3. Step 3: Cross multiply
    1,891,983.88x = 2,610,942.42 × 1,076,169.16
  4. Step 4: Simplify right side
    1,891,983.88x = 2,809,815,710,939.77
  5. Step 5: Solve for x
    x = 2,809,815,710,939.77/1,891,983.88
  6. Step 6: Final answer
    x = 1,485,116.09

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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.