Finding the Fourth Proportional to 3,669,985.70, 5,505,853.35 and 1,775,168.90
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Solution
The fourth proportional to 3,669,985.70, 5,505,853.35 and 1,775,168.90 is: 2,663,176.49
Step by Step Solution
- Step 1: Write the proportion equation
3,669,985.70 : 5,505,853.35 = 1,775,168.90 : x - Step 2: Convert to fraction form
3,669,985.70/5,505,853.35 = 1,775,168.90/x - Step 3: Cross multiply
3,669,985.70x = 5,505,853.35 × 1,775,168.90 - Step 4: Simplify right side
3,669,985.70x = 9,773,819,634,880.82 - Step 5: Solve for x
x = 9,773,819,634,880.82/3,669,985.70 - Step 6: Final answer
x = 2,663,176.49
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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.