Finding the Fourth Proportional to 3,042,675.90, 4,198,892.99 and 1,666,106.42
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Solution
The fourth proportional to 3,042,675.90, 4,198,892.99 and 1,666,106.42 is: 2,299,226.99
Step by Step Solution
- Step 1: Write the proportion equation
3,042,675.90 : 4,198,892.99 = 1,666,106.42 : x - Step 2: Convert to fraction form
3,042,675.90/4,198,892.99 = 1,666,106.42/x - Step 3: Cross multiply
3,042,675.90x = 4,198,892.99 × 1,666,106.42 - Step 4: Simplify right side
3,042,675.90x = 6,995,802,538,207.00 - Step 5: Solve for x
x = 6,995,802,538,207.00/3,042,675.90 - Step 6: Final answer
x = 2,299,226.99
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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.