Home / 1,820,966.32-2,512,934.03-1,005,170.53

Finding the Fourth Proportional to 1,820,966.32, 2,512,934.03 and 1,005,170.53

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Solution

The fourth proportional to 1,820,966.32, 2,512,934.03 and 1,005,170.53 is: 1,387,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,966.32 : 2,512,934.03 = 1,005,170.53 : x
  2. Step 2: Convert to fraction form
    1,820,966.32/2,512,934.03 = 1,005,170.53/x
  3. Step 3: Cross multiply
    1,820,966.32x = 2,512,934.03 × 1,005,170.53
  4. Step 4: Simplify right side
    1,820,966.32x = 2,525,927,226,078.39
  5. Step 5: Solve for x
    x = 2,525,927,226,078.39/1,820,966.32
  6. Step 6: Final answer
    x = 1,387,135.61

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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.