Home / 1,631,136.47-2,251,786.49-1,019,629.40

Finding the Fourth Proportional to 1,631,136.47, 2,251,786.49 and 1,019,629.40

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Solution

The fourth proportional to 1,631,136.47, 2,251,786.49 and 1,019,629.40 is: 1,407,600.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,136.47 : 2,251,786.49 = 1,019,629.40 : x
  2. Step 2: Convert to fraction form
    1,631,136.47/2,251,786.49 = 1,019,629.40/x
  3. Step 3: Cross multiply
    1,631,136.47x = 2,251,786.49 × 1,019,629.40
  4. Step 4: Simplify right side
    1,631,136.47x = 2,295,987,712,081.74
  5. Step 5: Solve for x
    x = 2,295,987,712,081.74/1,631,136.47
  6. Step 6: Final answer
    x = 1,407,600.01

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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.