Home / 1,481,279.28-2,042,189.64-1,112,194.32

Finding the Fourth Proportional to 1,481,279.28, 2,042,189.64 and 1,112,194.32

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Solution

The fourth proportional to 1,481,279.28, 2,042,189.64 and 1,112,194.32 is: 1,533,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,279.28 : 2,042,189.64 = 1,112,194.32 : x
  2. Step 2: Convert to fraction form
    1,481,279.28/2,042,189.64 = 1,112,194.32/x
  3. Step 3: Cross multiply
    1,481,279.28x = 2,042,189.64 × 1,112,194.32
  4. Step 4: Simplify right side
    1,481,279.28x = 2,271,311,717,970.84
  5. Step 5: Solve for x
    x = 2,271,311,717,970.84/1,481,279.28
  6. Step 6: Final answer
    x = 1,533,344.69

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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.