Home / 1,538,968.55-2,308,448.16-1,081,677.11

Finding the Fourth Proportional to 1,538,968.55, 2,308,448.16 and 1,081,677.11

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Solution

The fourth proportional to 1,538,968.55, 2,308,448.16 and 1,081,677.11 is: 1,622,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,968.55 : 2,308,448.16 = 1,081,677.11 : x
  2. Step 2: Convert to fraction form
    1,538,968.55/2,308,448.16 = 1,081,677.11/x
  3. Step 3: Cross multiply
    1,538,968.55x = 2,308,448.16 × 1,081,677.11
  4. Step 4: Simplify right side
    1,538,968.55x = 2,496,995,522,751.38
  5. Step 5: Solve for x
    x = 2,496,995,522,751.38/1,538,968.55
  6. Step 6: Final answer
    x = 1,622,512.38

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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.