Finding the Fourth Proportional to 3,221,810.14, 4,445,984.12 and 1,771,495.42
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Solution
The fourth proportional to 3,221,810.14, 4,445,984.12 and 1,771,495.42 is: 2,444,601.07
Step by Step Solution
- Step 1: Write the proportion equation
3,221,810.14 : 4,445,984.12 = 1,771,495.42 : x - Step 2: Convert to fraction form
3,221,810.14/4,445,984.12 = 1,771,495.42/x - Step 3: Cross multiply
3,221,810.14x = 4,445,984.12 × 1,771,495.42 - Step 4: Simplify right side
3,221,810.14x = 7,876,040,505,972.73 - Step 5: Solve for x
x = 7,876,040,505,972.73/3,221,810.14 - Step 6: Final answer
x = 2,444,601.07
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1.5x scale
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.