Finding the Fourth Proportional to 3,269,126.18, 4,511,280.62 and 1,798,897.21
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Solution
The fourth proportional to 3,269,126.18, 4,511,280.62 and 1,798,897.21 is: 2,482,415.69
Step by Step Solution
- Step 1: Write the proportion equation
3,269,126.18 : 4,511,280.62 = 1,798,897.21 : x - Step 2: Convert to fraction form
3,269,126.18/4,511,280.62 = 1,798,897.21/x - Step 3: Cross multiply
3,269,126.18x = 4,511,280.62 × 1,798,897.21 - Step 4: Simplify right side
3,269,126.18x = 8,115,330,114,064.11 - Step 5: Solve for x
x = 8,115,330,114,064.11/3,269,126.18 - Step 6: Final answer
x = 2,482,415.69
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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.