Home / 2,019,342.03-2,787,141.36-1,284,147.31

Finding the Fourth Proportional to 2,019,342.03, 2,787,141.36 and 1,284,147.31

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Solution

The fourth proportional to 2,019,342.03, 2,787,141.36 and 1,284,147.31 is: 1,772,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,342.03 : 2,787,141.36 = 1,284,147.31 : x
  2. Step 2: Convert to fraction form
    2,019,342.03/2,787,141.36 = 1,284,147.31/x
  3. Step 3: Cross multiply
    2,019,342.03x = 2,787,141.36 × 1,284,147.31
  4. Step 4: Simplify right side
    2,019,342.03x = 3,579,100,080,033.74
  5. Step 5: Solve for x
    x = 3,579,100,080,033.74/2,019,342.03
  6. Step 6: Final answer
    x = 1,772,409.05

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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.