Finding the Fourth Proportional to 3,177,872.97, 4,381,348.44 and 2,058,269.75
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Solution
The fourth proportional to 3,177,872.97, 4,381,348.44 and 2,058,269.75 is: 2,837,746.20
Step by Step Solution
- Step 1: Write the proportion equation
3,177,872.97 : 4,381,348.44 = 2,058,269.75 : x - Step 2: Convert to fraction form
3,177,872.97/4,381,348.44 = 2,058,269.75/x - Step 3: Cross multiply
3,177,872.97x = 4,381,348.44 × 2,058,269.75 - Step 4: Simplify right side
3,177,872.97x = 9,017,996,958,261.69 - Step 5: Solve for x
x = 9,017,996,958,261.69/3,177,872.97 - Step 6: Final answer
x = 2,837,746.20
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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.