Finding the Fourth Proportional to 3,995,277.51, 5,509,806.05 and 2,618,121.05
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Solution
The fourth proportional to 3,995,277.51, 5,509,806.05 and 2,618,121.05 is: 3,610,597.55
Step by Step Solution
- Step 1: Write the proportion equation
3,995,277.51 : 5,509,806.05 = 2,618,121.05 : x - Step 2: Convert to fraction form
3,995,277.51/5,509,806.05 = 2,618,121.05/x - Step 3: Cross multiply
3,995,277.51x = 5,509,806.05 × 2,618,121.05 - Step 4: Simplify right side
3,995,277.51x = 14,425,339,173,373.32 - Step 5: Solve for x
x = 14,425,339,173,373.32/3,995,277.51 - Step 6: Final answer
x = 3,610,597.55
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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.