Finding the Fourth Proportional to 2,678,253.17, 3,696,577.86 and 1,760,567.09
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Solution
The fourth proportional to 2,678,253.17, 3,696,577.86 and 1,760,567.09 is: 2,429,969.43
Step by Step Solution
- Step 1: Write the proportion equation
2,678,253.17 : 3,696,577.86 = 1,760,567.09 : x - Step 2: Convert to fraction form
2,678,253.17/3,696,577.86 = 1,760,567.09/x - Step 3: Cross multiply
2,678,253.17x = 3,696,577.86 × 1,760,567.09 - Step 4: Simplify right side
2,678,253.17x = 6,508,073,307,455.74 - Step 5: Solve for x
x = 6,508,073,307,455.74/2,678,253.17 - Step 6: Final answer
x = 2,429,969.43
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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.