Home / 1,892,964.89-2,836,574.26-1,387,862.12

Finding the Fourth Proportional to 1,892,964.89, 2,836,574.26 and 1,387,862.12

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Solution

The fourth proportional to 1,892,964.89, 2,836,574.26 and 1,387,862.12 is: 2,079,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,964.89 : 2,836,574.26 = 1,387,862.12 : x
  2. Step 2: Convert to fraction form
    1,892,964.89/2,836,574.26 = 1,387,862.12/x
  3. Step 3: Cross multiply
    1,892,964.89x = 2,836,574.26 × 1,387,862.12
  4. Step 4: Simplify right side
    1,892,964.89x = 3,936,773,966,021.03
  5. Step 5: Solve for x
    x = 3,936,773,966,021.03/1,892,964.89
  6. Step 6: Final answer
    x = 2,079,686.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.