Finding the Fourth Proportional to 5,239,933.09, 7,231,033.56 and 2,948,088.31
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Solution
The fourth proportional to 5,239,933.09, 7,231,033.56 and 2,948,088.31 is: 4,068,320.18
Step by Step Solution
- Step 1: Write the proportion equation
5,239,933.09 : 7,231,033.56 = 2,948,088.31 : x - Step 2: Convert to fraction form
5,239,933.09/7,231,033.56 = 2,948,088.31/x - Step 3: Cross multiply
5,239,933.09x = 7,231,033.56 × 2,948,088.31 - Step 4: Simplify right side
5,239,933.09x = 21,317,725,507,453.68 - Step 5: Solve for x
x = 21,317,725,507,453.68/5,239,933.09 - Step 6: Final answer
x = 4,068,320.18
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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.