Home / 2,106,277.22-2,906,653.82-1,139,405.13

Finding the Fourth Proportional to 2,106,277.22, 2,906,653.82 and 1,139,405.13

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Solution

The fourth proportional to 2,106,277.22, 2,906,653.82 and 1,139,405.13 is: 1,572,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,277.22 : 2,906,653.82 = 1,139,405.13 : x
  2. Step 2: Convert to fraction form
    2,106,277.22/2,906,653.82 = 1,139,405.13/x
  3. Step 3: Cross multiply
    2,106,277.22x = 2,906,653.82 × 1,139,405.13
  4. Step 4: Simplify right side
    2,106,277.22x = 3,311,856,267,945.07
  5. Step 5: Solve for x
    x = 3,311,856,267,945.07/2,106,277.22
  6. Step 6: Final answer
    x = 1,572,374.34

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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.