Finding the Fourth Proportional to 3,181,186.98, 4,389,906.24 and 1,730,887.92
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Solution
The fourth proportional to 3,181,186.98, 4,389,906.24 and 1,730,887.92 is: 2,388,553.62
Step by Step Solution
- Step 1: Write the proportion equation
3,181,186.98 : 4,389,906.24 = 1,730,887.92 : x - Step 2: Convert to fraction form
3,181,186.98/4,389,906.24 = 1,730,887.92/x - Step 3: Cross multiply
3,181,186.98x = 4,389,906.24 × 1,730,887.92 - Step 4: Simplify right side
3,181,186.98x = 7,598,435,680,748.62 - Step 5: Solve for x
x = 7,598,435,680,748.62/3,181,186.98 - Step 6: Final answer
x = 2,388,553.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.