Home / 2,878,215.14-3,971,942.79-1,589,058.02

Finding the Fourth Proportional to 2,878,215.14, 3,971,942.79 and 1,589,058.02

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Solution

The fourth proportional to 2,878,215.14, 3,971,942.79 and 1,589,058.02 is: 2,192,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,215.14 : 3,971,942.79 = 1,589,058.02 : x
  2. Step 2: Convert to fraction form
    2,878,215.14/3,971,942.79 = 1,589,058.02/x
  3. Step 3: Cross multiply
    2,878,215.14x = 3,971,942.79 × 1,589,058.02
  4. Step 4: Simplify right side
    2,878,215.14x = 6,311,647,545,430.68
  5. Step 5: Solve for x
    x = 6,311,647,545,430.68/2,878,215.14
  6. Step 6: Final answer
    x = 2,192,903.32

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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.