Finding the Fourth Proportional to 1,416,516.39, 1,954,735.74 and 771,922.85
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Solution
The fourth proportional to 1,416,516.39, 1,954,735.74 and 771,922.85 is: 1,065,222.53
Step by Step Solution
- Step 1: Write the proportion equation
1,416,516.39 : 1,954,735.74 = 771,922.85 : x - Step 2: Convert to fraction form
1,416,516.39/1,954,735.74 = 771,922.85/x - Step 3: Cross multiply
1,416,516.39x = 1,954,735.74 × 771,922.85 - Step 4: Simplify right side
1,416,516.39x = 1,508,905,173,643.98 - Step 5: Solve for x
x = 1,508,905,173,643.98/1,416,516.39 - Step 6: Final answer
x = 1,065,222.53
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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.