Home / 2,106,739.14-2,907,279.32-1,139,848.22

Finding the Fourth Proportional to 2,106,739.14, 2,907,279.32 and 1,139,848.22

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Solution

The fourth proportional to 2,106,739.14, 2,907,279.32 and 1,139,848.22 is: 1,572,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,739.14 : 2,907,279.32 = 1,139,848.22 : x
  2. Step 2: Convert to fraction form
    2,106,739.14/2,907,279.32 = 1,139,848.22/x
  3. Step 3: Cross multiply
    2,106,739.14x = 2,907,279.32 × 1,139,848.22
  4. Step 4: Simplify right side
    2,106,739.14x = 3,313,857,137,709.17
  5. Step 5: Solve for x
    x = 3,313,857,137,709.17/2,106,739.14
  6. Step 6: Final answer
    x = 1,572,979.34

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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.