Finding the Fourth Proportional to 2,603,476.26, 3,889,382.20 and 1,685,178.18
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Solution
The fourth proportional to 2,603,476.26, 3,889,382.20 and 1,685,178.18 is: 2,517,519.41
Step by Step Solution
- Step 1: Write the proportion equation
2,603,476.26 : 3,889,382.20 = 1,685,178.18 : x - Step 2: Convert to fraction form
2,603,476.26/3,889,382.20 = 1,685,178.18/x - Step 3: Cross multiply
2,603,476.26x = 3,889,382.20 × 1,685,178.18 - Step 4: Simplify right side
2,603,476.26x = 6,554,302,012,907.45 - Step 5: Solve for x
x = 6,554,302,012,907.45/2,603,476.26 - Step 6: Final answer
x = 2,517,519.41
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.