Finding the Fourth Proportional to 5,418,137.70, 7,477,365.98 and 3,003,689.70
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Solution
The fourth proportional to 5,418,137.70, 7,477,365.98 and 3,003,689.70 is: 4,145,278.03
Step by Step Solution
- Step 1: Write the proportion equation
5,418,137.70 : 7,477,365.98 = 3,003,689.70 : x - Step 2: Convert to fraction form
5,418,137.70/7,477,365.98 = 3,003,689.70/x - Step 3: Cross multiply
5,418,137.70x = 7,477,365.98 × 3,003,689.70 - Step 4: Simplify right side
5,418,137.70x = 22,459,687,162,237.96 - Step 5: Solve for x
x = 22,459,687,162,237.96/5,418,137.70 - Step 6: Final answer
x = 4,145,278.03
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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.