Finding the Fourth Proportional to 6,326,842.19, 8,731,028.81 and 3,426,224.09
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Solution
The fourth proportional to 6,326,842.19, 8,731,028.81 and 3,426,224.09 is: 4,728,181.98
Step by Step Solution
- Step 1: Write the proportion equation
6,326,842.19 : 8,731,028.81 = 3,426,224.09 : x - Step 2: Convert to fraction form
6,326,842.19/8,731,028.81 = 3,426,224.09/x - Step 3: Cross multiply
6,326,842.19x = 8,731,028.81 × 3,426,224.09 - Step 4: Simplify right side
6,326,842.19x = 29,914,461,204,216.45 - Step 5: Solve for x
x = 29,914,461,204,216.45/6,326,842.19 - Step 6: Final answer
x = 4,728,181.98
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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.