Home / 1,820,932.93-2,512,887.03-1,005,136.39

Finding the Fourth Proportional to 1,820,932.93, 2,512,887.03 and 1,005,136.39

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Solution

The fourth proportional to 1,820,932.93, 2,512,887.03 and 1,005,136.39 is: 1,387,087.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,932.93 : 2,512,887.03 = 1,005,136.39 : x
  2. Step 2: Convert to fraction form
    1,820,932.93/2,512,887.03 = 1,005,136.39/x
  3. Step 3: Cross multiply
    1,820,932.93x = 2,512,887.03 × 1,005,136.39
  4. Step 4: Simplify right side
    1,820,932.93x = 2,525,794,197,812.02
  5. Step 5: Solve for x
    x = 2,525,794,197,812.02/1,820,932.93
  6. Step 6: Final answer
    x = 1,387,087.99

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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.