Finding the Fourth Proportional to 3,223,992.21, 4,449,109.24 and 1,773,656.49
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Solution
The fourth proportional to 3,223,992.21, 4,449,109.24 and 1,773,656.49 is: 2,447,645.95
Step by Step Solution
- Step 1: Write the proportion equation
3,223,992.21 : 4,449,109.24 = 1,773,656.49 : x - Step 2: Convert to fraction form
3,223,992.21/4,449,109.24 = 1,773,656.49/x - Step 3: Cross multiply
3,223,992.21x = 4,449,109.24 × 1,773,656.49 - Step 4: Simplify right side
3,223,992.21x = 7,891,191,478,244.97 - Step 5: Solve for x
x = 7,891,191,478,244.97/3,223,992.21 - Step 6: Final answer
x = 2,447,645.95
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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.