Finding the Fourth Proportional to 3,054,378.09, 4,215,114.53 and 1,677,750.63
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Solution
The fourth proportional to 3,054,378.09, 4,215,114.53 and 1,677,750.63 is: 2,315,335.84
Step by Step Solution
- Step 1: Write the proportion equation
3,054,378.09 : 4,215,114.53 = 1,677,750.63 : x - Step 2: Convert to fraction form
3,054,378.09/4,215,114.53 = 1,677,750.63/x - Step 3: Cross multiply
3,054,378.09x = 4,215,114.53 × 1,677,750.63 - Step 4: Simplify right side
3,054,378.09x = 7,071,911,058,229.65 - Step 5: Solve for x
x = 7,071,911,058,229.65/3,054,378.09 - Step 6: Final answer
x = 2,315,335.84
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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.