Finding the Fourth Proportional to 5,415,714.80, 7,477,084.68 and 3,485,330.08
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Solution
The fourth proportional to 5,415,714.80, 7,477,084.68 and 3,485,330.08 is: 4,811,942.49
Step by Step Solution
- Step 1: Write the proportion equation
5,415,714.80 : 7,477,084.68 = 3,485,330.08 : x - Step 2: Convert to fraction form
5,415,714.80/7,477,084.68 = 3,485,330.08/x - Step 3: Cross multiply
5,415,714.80x = 7,477,084.68 × 3,485,330.08 - Step 4: Simplify right side
5,415,714.80x = 26,060,108,145,911.18 - Step 5: Solve for x
x = 26,060,108,145,911.18/5,415,714.80 - Step 6: Final answer
x = 4,811,942.49
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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.