Home / 2,136,058.21-2,947,735.42-1,155,974.55

Finding the Fourth Proportional to 2,136,058.21, 2,947,735.42 and 1,155,974.55

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Solution

The fourth proportional to 2,136,058.21, 2,947,735.42 and 1,155,974.55 is: 1,595,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,058.21 : 2,947,735.42 = 1,155,974.55 : x
  2. Step 2: Convert to fraction form
    2,136,058.21/2,947,735.42 = 1,155,974.55/x
  3. Step 3: Cross multiply
    2,136,058.21x = 2,947,735.42 × 1,155,974.55
  4. Step 4: Simplify right side
    2,136,058.21x = 3,407,507,125,653.56
  5. Step 5: Solve for x
    x = 3,407,507,125,653.56/2,136,058.21
  6. Step 6: Final answer
    x = 1,595,231.40

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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.