Home / 2,136,169.89-2,947,915.38-1,169,305.70

Finding the Fourth Proportional to 2,136,169.89, 2,947,915.38 and 1,169,305.70

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Solution

The fourth proportional to 2,136,169.89, 2,947,915.38 and 1,169,305.70 is: 1,613,642.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,169.89 : 2,947,915.38 = 1,169,305.70 : x
  2. Step 2: Convert to fraction form
    2,136,169.89/2,947,915.38 = 1,169,305.70/x
  3. Step 3: Cross multiply
    2,136,169.89x = 2,947,915.38 × 1,169,305.70
  4. Step 4: Simplify right side
    2,136,169.89x = 3,447,014,242,212.09
  5. Step 5: Solve for x
    x = 3,447,014,242,212.09/2,136,169.89
  6. Step 6: Final answer
    x = 1,613,642.37

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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.