Finding the Fourth Proportional to 7,276,815.90, 10,912,861.97 and 2,417,817.49
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Solution
The fourth proportional to 7,276,815.90, 10,912,861.97 and 2,417,817.49 is: 3,625,941.47
Step by Step Solution
- Step 1: Write the proportion equation
7,276,815.90 : 10,912,861.97 = 2,417,817.49 : x - Step 2: Convert to fraction form
7,276,815.90/10,912,861.97 = 2,417,817.49/x - Step 3: Cross multiply
7,276,815.90x = 10,912,861.97 × 2,417,817.49 - Step 4: Simplify right side
7,276,815.90x = 26,385,308,537,021.86 - Step 5: Solve for x
x = 26,385,308,537,021.86/7,276,815.90 - Step 6: Final answer
x = 3,625,941.47
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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.