Finding the Fourth Proportional to 2,757,503.52, 4,136,486.81 and 838,431.40
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Solution
The fourth proportional to 2,757,503.52, 4,136,486.81 and 838,431.40 is: 1,257,717.49
Step by Step Solution
- Step 1: Write the proportion equation
2,757,503.52 : 4,136,486.81 = 838,431.40 : x - Step 2: Convert to fraction form
2,757,503.52/4,136,486.81 = 838,431.40/x - Step 3: Cross multiply
2,757,503.52x = 4,136,486.81 × 838,431.40 - Step 4: Simplify right side
2,757,503.52x = 3,468,160,402,315.24 - Step 5: Solve for x
x = 3,468,160,402,315.24/2,757,503.52 - Step 6: Final answer
x = 1,257,717.49
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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.