Home / 1,916,792.67-2,874,884.31-637,293.72

Finding the Fourth Proportional to 1,916,792.67, 2,874,884.31 and 637,293.72

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Solution

The fourth proportional to 1,916,792.67, 2,874,884.31 and 637,293.72 is: 955,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,792.67 : 2,874,884.31 = 637,293.72 : x
  2. Step 2: Convert to fraction form
    1,916,792.67/2,874,884.31 = 637,293.72/x
  3. Step 3: Cross multiply
    1,916,792.67x = 2,874,884.31 × 637,293.72
  4. Step 4: Simplify right side
    1,916,792.67x = 1,832,145,716,489.53
  5. Step 5: Solve for x
    x = 1,832,145,716,489.53/1,916,792.67
  6. Step 6: Final answer
    x = 955,839.28

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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.