Finding the Fourth Proportional to 3,723,004.68, 5,137,965.93 and 2,803,611.75
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Solution
The fourth proportional to 3,723,004.68, 5,137,965.93 and 2,803,611.75 is: 3,869,149.49
Step by Step Solution
- Step 1: Write the proportion equation
3,723,004.68 : 5,137,965.93 = 2,803,611.75 : x - Step 2: Convert to fraction form
3,723,004.68/5,137,965.93 = 2,803,611.75/x - Step 3: Cross multiply
3,723,004.68x = 5,137,965.93 × 2,803,611.75 - Step 4: Simplify right side
3,723,004.68x = 14,404,861,652,447.68 - Step 5: Solve for x
x = 14,404,861,652,447.68/3,723,004.68 - Step 6: Final answer
x = 3,869,149.49
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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.