Finding the Fourth Proportional to 5,103,700.73, 7,043,103.13 and 2,811,861.41
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Solution
The fourth proportional to 5,103,700.73, 7,043,103.13 and 2,811,861.41 is: 3,880,366.61
Step by Step Solution
- Step 1: Write the proportion equation
5,103,700.73 : 7,043,103.13 = 2,811,861.41 : x - Step 2: Convert to fraction form
5,103,700.73/7,043,103.13 = 2,811,861.41/x - Step 3: Cross multiply
5,103,700.73x = 7,043,103.13 × 2,811,861.41 - Step 4: Simplify right side
5,103,700.73x = 19,804,229,883,837.91 - Step 5: Solve for x
x = 19,804,229,883,837.91/5,103,700.73 - Step 6: Final answer
x = 3,880,366.61
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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.