Home / 3,407,347.78-5,112,007.64-1,101,791.72

Finding the Fourth Proportional to 3,407,347.78, 5,112,007.64 and 1,101,791.72

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Solution

The fourth proportional to 3,407,347.78, 5,112,007.64 and 1,101,791.72 is: 1,653,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407,347.78 : 5,112,007.64 = 1,101,791.72 : x
  2. Step 2: Convert to fraction form
    3,407,347.78/5,112,007.64 = 1,101,791.72/x
  3. Step 3: Cross multiply
    3,407,347.78x = 5,112,007.64 × 1,101,791.72
  4. Step 4: Simplify right side
    3,407,347.78x = 5,632,367,690,328.74
  5. Step 5: Solve for x
    x = 5,632,367,690,328.74/3,407,347.78
  6. Step 6: Final answer
    x = 1,653,006.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.