Finding the Fourth Proportional to 3,690,563.36, 5,092,980.62 and 2,058,971.06
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Solution
The fourth proportional to 3,690,563.36, 5,092,980.62 and 2,058,971.06 is: 2,841,381.84
Step by Step Solution
- Step 1: Write the proportion equation
3,690,563.36 : 5,092,980.62 = 2,058,971.06 : x - Step 2: Convert to fraction form
3,690,563.36/5,092,980.62 = 2,058,971.06/x - Step 3: Cross multiply
3,690,563.36x = 5,092,980.62 × 2,058,971.06 - Step 4: Simplify right side
3,690,563.36x = 10,486,299,685,403.38 - Step 5: Solve for x
x = 10,486,299,685,403.38/3,690,563.36 - Step 6: Final answer
x = 2,841,381.84
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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.