Finding the Fourth Proportional to 2,626,407.75, 3,939,611.69 and 631,863.75
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Solution
The fourth proportional to 2,626,407.75, 3,939,611.69 and 631,863.75 is: 947,795.64
Step by Step Solution
- Step 1: Write the proportion equation
2,626,407.75 : 3,939,611.69 = 631,863.75 : x - Step 2: Convert to fraction form
2,626,407.75/3,939,611.69 = 631,863.75/x - Step 3: Cross multiply
2,626,407.75x = 3,939,611.69 × 631,863.75 - Step 4: Simplify right side
2,626,407.75x = 2,489,297,812,827.92 - Step 5: Solve for x
x = 2,489,297,812,827.92/2,626,407.75 - Step 6: Final answer
x = 947,795.64
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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.