Home / 1,929,194.92-2,662,097.20-1,113,661.31

Finding the Fourth Proportional to 1,929,194.92, 2,662,097.20 and 1,113,661.31

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Solution

The fourth proportional to 1,929,194.92, 2,662,097.20 and 1,113,661.31 is: 1,536,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,194.92 : 2,662,097.20 = 1,113,661.31 : x
  2. Step 2: Convert to fraction form
    1,929,194.92/2,662,097.20 = 1,113,661.31/x
  3. Step 3: Cross multiply
    1,929,194.92x = 2,662,097.20 × 1,113,661.31
  4. Step 4: Simplify right side
    1,929,194.92x = 2,964,674,639,004.69
  5. Step 5: Solve for x
    x = 2,964,674,639,004.69/1,929,194.92
  6. Step 6: Final answer
    x = 1,536,741.88

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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.