Finding the Fourth Proportional to 5,117,354.58, 7,058,988.96 and 3,306,518.58
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Solution
The fourth proportional to 5,117,354.58, 7,058,988.96 and 3,306,518.58 is: 4,561,082.84
Step by Step Solution
- Step 1: Write the proportion equation
5,117,354.58 : 7,058,988.96 = 3,306,518.58 : x - Step 2: Convert to fraction form
5,117,354.58/7,058,988.96 = 3,306,518.58/x - Step 3: Cross multiply
5,117,354.58x = 7,058,988.96 × 3,306,518.58 - Step 4: Simplify right side
5,117,354.58x = 23,340,678,152,254.88 - Step 5: Solve for x
x = 23,340,678,152,254.88/5,117,354.58 - Step 6: Final answer
x = 4,561,082.84
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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.