Finding the Fourth Proportional to 2,309,491.40, 3,468,173.70 and 1,640,269.40
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Solution
The fourth proportional to 2,309,491.40, 3,468,173.70 and 1,640,269.40 is: 2,463,199.99
Step by Step Solution
- Step 1: Write the proportion equation
2,309,491.40 : 3,468,173.70 = 1,640,269.40 : x - Step 2: Convert to fraction form
2,309,491.40/3,468,173.70 = 1,640,269.40/x - Step 3: Cross multiply
2,309,491.40x = 3,468,173.70 × 1,640,269.40 - Step 4: Simplify right side
2,309,491.40x = 5,688,739,193,994.78 - Step 5: Solve for x
x = 5,688,739,193,994.78/2,309,491.40 - Step 6: Final answer
x = 2,463,199.99
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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.