Home / 1,820,932.90-2,512,887-1,005,136.38

Finding the Fourth Proportional to 1,820,932.90, 2,512,887 and 1,005,136.38

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Solution

The fourth proportional to 1,820,932.90, 2,512,887 and 1,005,136.38 is: 1,387,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,932.90 : 2,512,887 = 1,005,136.38 : x
  2. Step 2: Convert to fraction form
    1,820,932.90/2,512,887 = 1,005,136.38/x
  3. Step 3: Cross multiply
    1,820,932.90x = 2,512,887 × 1,005,136.38
  4. Step 4: Simplify right side
    1,820,932.90x = 2,525,794,142,529.06
  5. Step 5: Solve for x
    x = 2,525,794,142,529.06/1,820,932.90
  6. Step 6: Final answer
    x = 1,387,087.98

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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.