Finding the Fourth Proportional to 5,331,236.72, 7,357,290.36 and 2,916,788.72
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Solution
The fourth proportional to 5,331,236.72, 7,357,290.36 and 2,916,788.72 is: 4,025,268.93
Step by Step Solution
- Step 1: Write the proportion equation
5,331,236.72 : 7,357,290.36 = 2,916,788.72 : x - Step 2: Convert to fraction form
5,331,236.72/7,357,290.36 = 2,916,788.72/x - Step 3: Cross multiply
5,331,236.72x = 7,357,290.36 × 2,916,788.72 - Step 4: Simplify right side
5,331,236.72x = 21,459,661,531,812.74 - Step 5: Solve for x
x = 21,459,661,531,812.74/5,331,236.72 - Step 6: Final answer
x = 4,025,268.93
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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.