Finding the Fourth Proportional to 3,223,991.21, 4,449,107.86 and 1,773,655.49
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Solution
The fourth proportional to 3,223,991.21, 4,449,107.86 and 1,773,655.49 is: 2,447,644.58
Step by Step Solution
- Step 1: Write the proportion equation
3,223,991.21 : 4,449,107.86 = 1,773,655.49 : x - Step 2: Convert to fraction form
3,223,991.21/4,449,107.86 = 1,773,655.49/x - Step 3: Cross multiply
3,223,991.21x = 4,449,107.86 × 1,773,655.49 - Step 4: Simplify right side
3,223,991.21x = 7,891,184,588,179.78 - Step 5: Solve for x
x = 7,891,184,588,179.78/3,223,991.21 - Step 6: Final answer
x = 2,447,644.58
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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.