Home / 1,916,428.70-2,868,662.82-1,411,559.75

Finding the Fourth Proportional to 1,916,428.70, 2,868,662.82 and 1,411,559.75

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Solution

The fourth proportional to 1,916,428.70, 2,868,662.82 and 1,411,559.75 is: 2,112,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,428.70 : 2,868,662.82 = 1,411,559.75 : x
  2. Step 2: Convert to fraction form
    1,916,428.70/2,868,662.82 = 1,411,559.75/x
  3. Step 3: Cross multiply
    1,916,428.70x = 2,868,662.82 × 1,411,559.75
  4. Step 4: Simplify right side
    1,916,428.70x = 4,049,288,973,033.49
  5. Step 5: Solve for x
    x = 4,049,288,973,033.49/1,916,428.70
  6. Step 6: Final answer
    x = 2,112,934.84

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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.