Finding the Fourth Proportional to 2,206,755.69, 3,045,577.98 and 1,289,214.19
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Solution
The fourth proportional to 2,206,755.69, 3,045,577.98 and 1,289,214.19 is: 1,779,264.63
Step by Step Solution
- Step 1: Write the proportion equation
2,206,755.69 : 3,045,577.98 = 1,289,214.19 : x - Step 2: Convert to fraction form
2,206,755.69/3,045,577.98 = 1,289,214.19/x - Step 3: Cross multiply
2,206,755.69x = 3,045,577.98 × 1,289,214.19 - Step 4: Simplify right side
2,206,755.69x = 3,926,402,348,567.54 - Step 5: Solve for x
x = 3,926,402,348,567.54/2,206,755.69 - Step 6: Final answer
x = 1,779,264.63
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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.