Finding the Fourth Proportional to 3,224,307.22, 4,447,848.04 and 1,916,629.09
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Solution
The fourth proportional to 3,224,307.22, 4,447,848.04 and 1,916,629.09 is: 2,643,940.03
Step by Step Solution
- Step 1: Write the proportion equation
3,224,307.22 : 4,447,848.04 = 1,916,629.09 : x - Step 2: Convert to fraction form
3,224,307.22/4,447,848.04 = 1,916,629.09/x - Step 3: Cross multiply
3,224,307.22x = 4,447,848.04 × 1,916,629.09 - Step 4: Simplify right side
3,224,307.22x = 8,524,874,925,452.29 - Step 5: Solve for x
x = 8,524,874,925,452.29/3,224,307.22 - Step 6: Final answer
x = 2,643,940.03
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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.