Finding the Fourth Proportional to 3,903,329.62, 5,389,901.48 and 2,453,491.99
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Solution
The fourth proportional to 3,903,329.62, 5,389,901.48 and 2,453,491.99 is: 3,387,897.36
Step by Step Solution
- Step 1: Write the proportion equation
3,903,329.62 : 5,389,901.48 = 2,453,491.99 : x - Step 2: Convert to fraction form
3,903,329.62/5,389,901.48 = 2,453,491.99/x - Step 3: Cross multiply
3,903,329.62x = 5,389,901.48 × 2,453,491.99 - Step 4: Simplify right side
3,903,329.62x = 13,224,080,108,069.15 - Step 5: Solve for x
x = 13,224,080,108,069.15/3,903,329.62 - Step 6: Final answer
x = 3,387,897.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.