Finding the Fourth Proportional to 5,115,091.42, 7,058,323.29 and 2,823,104.35
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Solution
The fourth proportional to 5,115,091.42, 7,058,323.29 and 2,823,104.35 is: 3,895,606.46
Step by Step Solution
- Step 1: Write the proportion equation
5,115,091.42 : 7,058,323.29 = 2,823,104.35 : x - Step 2: Convert to fraction form
5,115,091.42/7,058,323.29 = 2,823,104.35/x - Step 3: Cross multiply
5,115,091.42x = 7,058,323.29 × 2,823,104.35 - Step 4: Simplify right side
5,115,091.42x = 19,926,383,183,705.31 - Step 5: Solve for x
x = 19,926,383,183,705.31/5,115,091.42 - Step 6: Final answer
x = 3,895,606.46
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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.