Home / 2,638,421.84-3,641,083.79-1,476,839.22

Finding the Fourth Proportional to 2,638,421.84, 3,641,083.79 and 1,476,839.22

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Solution

The fourth proportional to 2,638,421.84, 3,641,083.79 and 1,476,839.22 is: 2,038,072.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,421.84 : 3,641,083.79 = 1,476,839.22 : x
  2. Step 2: Convert to fraction form
    2,638,421.84/3,641,083.79 = 1,476,839.22/x
  3. Step 3: Cross multiply
    2,638,421.84x = 3,641,083.79 × 1,476,839.22
  4. Step 4: Simplify right side
    2,638,421.84x = 5,377,295,323,339.98
  5. Step 5: Solve for x
    x = 5,377,295,323,339.98/2,638,421.84
  6. Step 6: Final answer
    x = 2,038,072.62

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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.