Finding the Fourth Proportional to 6,762,795.18, 10,145,747.97 and 2,213,990.70
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Solution
The fourth proportional to 6,762,795.18, 10,145,747.97 and 2,213,990.70 is: 3,321,495.19
Step by Step Solution
- Step 1: Write the proportion equation
6,762,795.18 : 10,145,747.97 = 2,213,990.70 : x - Step 2: Convert to fraction form
6,762,795.18/10,145,747.97 = 2,213,990.70/x - Step 3: Cross multiply
6,762,795.18x = 10,145,747.97 × 2,213,990.70 - Step 4: Simplify right side
6,762,795.18x = 22,462,591,650,123.88 - Step 5: Solve for x
x = 22,462,591,650,123.88/6,762,795.18 - Step 6: Final answer
x = 3,321,495.19
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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.