Home / 1,916,121.42-2,874,643.83-718,054.27

Finding the Fourth Proportional to 1,916,121.42, 2,874,643.83 and 718,054.27

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Solution

The fourth proportional to 1,916,121.42, 2,874,643.83 and 718,054.27 is: 1,077,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,121.42 : 2,874,643.83 = 718,054.27 : x
  2. Step 2: Convert to fraction form
    1,916,121.42/2,874,643.83 = 718,054.27/x
  3. Step 3: Cross multiply
    1,916,121.42x = 2,874,643.83 × 718,054.27
  4. Step 4: Simplify right side
    1,916,121.42x = 2,064,150,269,674.04
  5. Step 5: Solve for x
    x = 2,064,150,269,674.04/1,916,121.42
  6. Step 6: Final answer
    x = 1,077,254.42

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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.