Finding the Fourth Proportional to 5,430,943.25, 8,147,463.92 and 2,064,888.53
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Solution
The fourth proportional to 5,430,943.25, 8,147,463.92 and 2,064,888.53 is: 3,097,731.65
Step by Step Solution
- Step 1: Write the proportion equation
5,430,943.25 : 8,147,463.92 = 2,064,888.53 : x - Step 2: Convert to fraction form
5,430,943.25/8,147,463.92 = 2,064,888.53/x - Step 3: Cross multiply
5,430,943.25x = 8,147,463.92 × 2,064,888.53 - Step 4: Simplify right side
5,430,943.25x = 16,823,604,786,672.39 - Step 5: Solve for x
x = 16,823,604,786,672.39/5,430,943.25 - Step 6: Final answer
x = 3,097,731.65
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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.