Home / 2,301,721.45-3,176,564.78-1,269,431.19

Finding the Fourth Proportional to 2,301,721.45, 3,176,564.78 and 1,269,431.19

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Solution

The fourth proportional to 2,301,721.45, 3,176,564.78 and 1,269,431.19 is: 1,751,919.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301,721.45 : 3,176,564.78 = 1,269,431.19 : x
  2. Step 2: Convert to fraction form
    2,301,721.45/3,176,564.78 = 1,269,431.19/x
  3. Step 3: Cross multiply
    2,301,721.45x = 3,176,564.78 × 1,269,431.19
  4. Step 4: Simplify right side
    2,301,721.45x = 4,032,430,386,557.51
  5. Step 5: Solve for x
    x = 4,032,430,386,557.51/2,301,721.45
  6. Step 6: Final answer
    x = 1,751,919.37

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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.