Home / 1,853,853.90-2,780,780.85-1,822,361.10

Finding the Fourth Proportional to 1,853,853.90, 2,780,780.85 and 1,822,361.10

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Solution

The fourth proportional to 1,853,853.90, 2,780,780.85 and 1,822,361.10 is: 2,733,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,853.90 : 2,780,780.85 = 1,822,361.10 : x
  2. Step 2: Convert to fraction form
    1,853,853.90/2,780,780.85 = 1,822,361.10/x
  3. Step 3: Cross multiply
    1,853,853.90x = 2,780,780.85 × 1,822,361.10
  4. Step 4: Simplify right side
    1,853,853.90x = 5,067,586,848,664.94
  5. Step 5: Solve for x
    x = 5,067,586,848,664.94/1,853,853.90
  6. Step 6: Final answer
    x = 2,733,541.65

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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.