Finding the Fourth Proportional to 3,228,236.78, 4,455,168.14 and 1,777,931.84
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Solution
The fourth proportional to 3,228,236.78, 4,455,168.14 and 1,777,931.84 is: 2,453,656.86
Step by Step Solution
- Step 1: Write the proportion equation
3,228,236.78 : 4,455,168.14 = 1,777,931.84 : x - Step 2: Convert to fraction form
3,228,236.78/4,455,168.14 = 1,777,931.84/x - Step 3: Cross multiply
3,228,236.78x = 4,455,168.14 × 1,777,931.84 - Step 4: Simplify right side
3,228,236.78x = 7,920,985,304,242.33 - Step 5: Solve for x
x = 7,920,985,304,242.33/3,228,236.78 - Step 6: Final answer
x = 2,453,656.86
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1.5x scale
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.