Finding the Fourth Proportional to 6,551,220.20, 9,827,121.90 and 2,233,207.40
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Solution
The fourth proportional to 6,551,220.20, 9,827,121.90 and 2,233,207.40 is: 3,349,910.50
Step by Step Solution
- Step 1: Write the proportion equation
6,551,220.20 : 9,827,121.90 = 2,233,207.40 : x - Step 2: Convert to fraction form
6,551,220.20/9,827,121.90 = 2,233,207.40/x - Step 3: Cross multiply
6,551,220.20x = 9,827,121.90 × 2,233,207.40 - Step 4: Simplify right side
6,551,220.20x = 21,946,001,347,782.06 - Step 5: Solve for x
x = 21,946,001,347,782.06/6,551,220.20 - Step 6: Final answer
x = 3,349,910.50
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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.