Finding the Fourth Proportional to 4,933,810.70, 7,400,716.05 and 2,808,046.70
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Solution
The fourth proportional to 4,933,810.70, 7,400,716.05 and 2,808,046.70 is: 4,212,070.05
Step by Step Solution
- Step 1: Write the proportion equation
4,933,810.70 : 7,400,716.05 = 2,808,046.70 : x - Step 2: Convert to fraction form
4,933,810.70/7,400,716.05 = 2,808,046.70/x - Step 3: Cross multiply
4,933,810.70x = 7,400,716.05 × 2,808,046.70 - Step 4: Simplify right side
4,933,810.70x = 20,781,556,281,839.54 - Step 5: Solve for x
x = 20,781,556,281,839.54/4,933,810.70 - Step 6: Final answer
x = 4,212,070.05
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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.