Finding the Fourth Proportional to 6,919,240.37, 10,379,851.02 and 2,127,331.98
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Solution
The fourth proportional to 6,919,240.37, 10,379,851.02 and 2,127,331.98 is: 3,191,302.49
Step by Step Solution
- Step 1: Write the proportion equation
6,919,240.37 : 10,379,851.02 = 2,127,331.98 : x - Step 2: Convert to fraction form
6,919,240.37/10,379,851.02 = 2,127,331.98/x - Step 3: Cross multiply
6,919,240.37x = 10,379,851.02 × 2,127,331.98 - Step 4: Simplify right side
6,919,240.37x = 22,081,389,022,481.62 - Step 5: Solve for x
x = 22,081,389,022,481.62/6,919,240.37 - Step 6: Final answer
x = 3,191,302.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.