Home / 1,690,783.38-2,336,370.59-1,231,097.17

Finding the Fourth Proportional to 1,690,783.38, 2,336,370.59 and 1,231,097.17

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Solution

The fourth proportional to 1,690,783.38, 2,336,370.59 and 1,231,097.17 is: 1,701,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,783.38 : 2,336,370.59 = 1,231,097.17 : x
  2. Step 2: Convert to fraction form
    1,690,783.38/2,336,370.59 = 1,231,097.17/x
  3. Step 3: Cross multiply
    1,690,783.38x = 2,336,370.59 × 1,231,097.17
  4. Step 4: Simplify right side
    1,690,783.38x = 2,876,299,209,423.82
  5. Step 5: Solve for x
    x = 2,876,299,209,423.82/1,690,783.38
  6. Step 6: Final answer
    x = 1,701,163.64

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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.