Home / 1,988,164.61-2,743,703.44-1,105,196.68

Finding the Fourth Proportional to 1,988,164.61, 2,743,703.44 and 1,105,196.68

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Solution

The fourth proportional to 1,988,164.61, 2,743,703.44 and 1,105,196.68 is: 1,525,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,164.61 : 2,743,703.44 = 1,105,196.68 : x
  2. Step 2: Convert to fraction form
    1,988,164.61/2,743,703.44 = 1,105,196.68/x
  3. Step 3: Cross multiply
    1,988,164.61x = 2,743,703.44 × 1,105,196.68
  4. Step 4: Simplify right side
    1,988,164.61x = 3,032,331,932,792.58
  5. Step 5: Solve for x
    x = 3,032,331,932,792.58/1,988,164.61
  6. Step 6: Final answer
    x = 1,525,191.59

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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.