Home / 2,106,736.11-2,907,275.16-1,139,845.20

Finding the Fourth Proportional to 2,106,736.11, 2,907,275.16 and 1,139,845.20

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Solution

The fourth proportional to 2,106,736.11, 2,907,275.16 and 1,139,845.20 is: 1,572,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,736.11 : 2,907,275.16 = 1,139,845.20 : x
  2. Step 2: Convert to fraction form
    2,106,736.11/2,907,275.16 = 1,139,845.20/x
  3. Step 3: Cross multiply
    2,106,736.11x = 2,907,275.16 × 1,139,845.20
  4. Step 4: Simplify right side
    2,106,736.11x = 3,313,843,636,205.23
  5. Step 5: Solve for x
    x = 3,313,843,636,205.23/2,106,736.11
  6. Step 6: Final answer
    x = 1,572,975.19

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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.