Finding the Fourth Proportional to 3,563,513.82, 5,345,270.63 and 1,643,857.07
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Solution
The fourth proportional to 3,563,513.82, 5,345,270.63 and 1,643,857.07 is: 2,465,785.55
Step by Step Solution
- Step 1: Write the proportion equation
3,563,513.82 : 5,345,270.63 = 1,643,857.07 : x - Step 2: Convert to fraction form
3,563,513.82/5,345,270.63 = 1,643,857.07/x - Step 3: Cross multiply
3,563,513.82x = 5,345,270.63 × 1,643,857.07 - Step 4: Simplify right side
3,563,513.82x = 8,786,860,887,407.68 - Step 5: Solve for x
x = 8,786,860,887,407.68/3,563,513.82 - Step 6: Final answer
x = 2,465,785.55
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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.