Finding the Fourth Proportional to 3,414,109.93, 4,711,415.97 and 1,865,338.28
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Solution
The fourth proportional to 3,414,109.93, 4,711,415.97 and 1,865,338.28 is: 2,574,136.37
Step by Step Solution
- Step 1: Write the proportion equation
3,414,109.93 : 4,711,415.97 = 1,865,338.28 : x - Step 2: Convert to fraction form
3,414,109.93/4,711,415.97 = 1,865,338.28/x - Step 3: Cross multiply
3,414,109.93x = 4,711,415.97 × 1,865,338.28 - Step 4: Simplify right side
3,414,109.93x = 8,788,384,528,960.56 - Step 5: Solve for x
x = 8,788,384,528,960.56/3,414,109.93 - Step 6: Final answer
x = 2,574,136.37
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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.