Home / 1,820,932.49-2,512,886.42-1,005,135.95

Finding the Fourth Proportional to 1,820,932.49, 2,512,886.42 and 1,005,135.95

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Solution

The fourth proportional to 1,820,932.49, 2,512,886.42 and 1,005,135.95 is: 1,387,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,932.49 : 2,512,886.42 = 1,005,135.95 : x
  2. Step 2: Convert to fraction form
    1,820,932.49/2,512,886.42 = 1,005,135.95/x
  3. Step 3: Cross multiply
    1,820,932.49x = 2,512,886.42 × 1,005,135.95
  4. Step 4: Simplify right side
    1,820,932.49x = 2,525,792,487,803.86
  5. Step 5: Solve for x
    x = 2,525,792,487,803.86/1,820,932.49
  6. Step 6: Final answer
    x = 1,387,087.38

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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.