Finding the Fourth Proportional to 5,058,376.48, 6,980,471.76 and 2,766,486.88
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Solution
The fourth proportional to 5,058,376.48, 6,980,471.76 and 2,766,486.88 is: 3,817,703.89
Step by Step Solution
- Step 1: Write the proportion equation
5,058,376.48 : 6,980,471.76 = 2,766,486.88 : x - Step 2: Convert to fraction form
5,058,376.48/6,980,471.76 = 2,766,486.88/x - Step 3: Cross multiply
5,058,376.48x = 6,980,471.76 × 2,766,486.88 - Step 4: Simplify right side
5,058,376.48x = 19,311,383,540,250.51 - Step 5: Solve for x
x = 19,311,383,540,250.51/5,058,376.48 - Step 6: Final answer
x = 3,817,703.89
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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.