Finding the Fourth Proportional to 2,926,838.40, 4,391,569.80 and 1,328,578.80
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Solution
The fourth proportional to 2,926,838.40, 4,391,569.80 and 1,328,578.80 is: 1,993,463.85
Step by Step Solution
- Step 1: Write the proportion equation
2,926,838.40 : 4,391,569.80 = 1,328,578.80 : x - Step 2: Convert to fraction form
2,926,838.40/4,391,569.80 = 1,328,578.80/x - Step 3: Cross multiply
2,926,838.40x = 4,391,569.80 × 1,328,578.80 - Step 4: Simplify right side
2,926,838.40x = 5,834,546,535,000.24 - Step 5: Solve for x
x = 5,834,546,535,000.24/2,926,838.40 - Step 6: Final answer
x = 1,993,463.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.