Finding the Fourth Proportional to 2,638,263.42, 3,635,827.63 and 2,114,378.98
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Solution
The fourth proportional to 2,638,263.42, 3,635,827.63 and 2,114,378.98 is: 2,913,855.17
Step by Step Solution
- Step 1: Write the proportion equation
2,638,263.42 : 3,635,827.63 = 2,114,378.98 : x - Step 2: Convert to fraction form
2,638,263.42/3,635,827.63 = 2,114,378.98/x - Step 3: Cross multiply
2,638,263.42x = 3,635,827.63 × 2,114,378.98 - Step 4: Simplify right side
2,638,263.42x = 7,687,517,501,399.70 - Step 5: Solve for x
x = 7,687,517,501,399.70/2,638,263.42 - Step 6: Final answer
x = 2,913,855.17
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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.