Home / 1,977,038.97-2,964,977.14-839,792.13

Finding the Fourth Proportional to 1,977,038.97, 2,964,977.14 and 839,792.13

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Solution

The fourth proportional to 1,977,038.97, 2,964,977.14 and 839,792.13 is: 1,259,441.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,038.97 : 2,964,977.14 = 839,792.13 : x
  2. Step 2: Convert to fraction form
    1,977,038.97/2,964,977.14 = 839,792.13/x
  3. Step 3: Cross multiply
    1,977,038.97x = 2,964,977.14 × 839,792.13
  4. Step 4: Simplify right side
    1,977,038.97x = 2,489,964,467,801.91
  5. Step 5: Solve for x
    x = 2,489,964,467,801.91/1,977,038.97
  6. Step 6: Final answer
    x = 1,259,441.27

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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.