Home / 2,619,629.53-3,929,943.81-914,259.93

Finding the Fourth Proportional to 2,619,629.53, 3,929,943.81 and 914,259.93

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Solution

The fourth proportional to 2,619,629.53, 3,929,943.81 and 914,259.93 is: 1,371,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,629.53 : 3,929,943.81 = 914,259.93 : x
  2. Step 2: Convert to fraction form
    2,619,629.53/3,929,943.81 = 914,259.93/x
  3. Step 3: Cross multiply
    2,619,629.53x = 3,929,943.81 × 914,259.93
  4. Step 4: Simplify right side
    2,619,629.53x = 3,592,990,152,634.53
  5. Step 5: Solve for x
    x = 3,592,990,152,634.53/2,619,629.53
  6. Step 6: Final answer
    x = 1,371,564.23

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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.