Home / 1,519,825.21-2,097,015.41-907,858.17

Finding the Fourth Proportional to 1,519,825.21, 2,097,015.41 and 907,858.17

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Solution

The fourth proportional to 1,519,825.21, 2,097,015.41 and 907,858.17 is: 1,252,639.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,825.21 : 2,097,015.41 = 907,858.17 : x
  2. Step 2: Convert to fraction form
    1,519,825.21/2,097,015.41 = 907,858.17/x
  3. Step 3: Cross multiply
    1,519,825.21x = 2,097,015.41 × 907,858.17
  4. Step 4: Simplify right side
    1,519,825.21x = 1,903,792,574,854.05
  5. Step 5: Solve for x
    x = 1,903,792,574,854.05/1,519,825.21
  6. Step 6: Final answer
    x = 1,252,639.16

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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.