Finding the Fourth Proportional to 3,428,284.36, 4,731,070.83 and 1,958,387.49
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Solution
The fourth proportional to 3,428,284.36, 4,731,070.83 and 1,958,387.49 is: 2,702,596.68
Step by Step Solution
- Step 1: Write the proportion equation
3,428,284.36 : 4,731,070.83 = 1,958,387.49 : x - Step 2: Convert to fraction form
3,428,284.36/4,731,070.83 = 1,958,387.49/x - Step 3: Cross multiply
3,428,284.36x = 4,731,070.83 × 1,958,387.49 - Step 4: Simplify right side
3,428,284.36x = 9,265,269,927,775.92 - Step 5: Solve for x
x = 9,265,269,927,775.92/3,428,284.36 - Step 6: Final answer
x = 2,702,596.68
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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.