Finding the Fourth Proportional to 3,643,446.06, 5,028,398.94 and 2,115,553.26
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Solution
The fourth proportional to 3,643,446.06, 5,028,398.94 and 2,115,553.26 is: 2,919,720.94
Step by Step Solution
- Step 1: Write the proportion equation
3,643,446.06 : 5,028,398.94 = 2,115,553.26 : x - Step 2: Convert to fraction form
3,643,446.06/5,028,398.94 = 2,115,553.26/x - Step 3: Cross multiply
3,643,446.06x = 5,028,398.94 × 2,115,553.26 - Step 4: Simplify right side
3,643,446.06x = 10,637,845,770,097.54 - Step 5: Solve for x
x = 10,637,845,770,097.54/3,643,446.06 - Step 6: Final answer
x = 2,919,720.94
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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.