Finding the Fourth Proportional to 2,703,423.70, 4,057,431.90 and 1,107,132.40
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Solution
The fourth proportional to 2,703,423.70, 4,057,431.90 and 1,107,132.40 is: 1,661,639.02
Step by Step Solution
- Step 1: Write the proportion equation
2,703,423.70 : 4,057,431.90 = 1,107,132.40 : x - Step 2: Convert to fraction form
2,703,423.70/4,057,431.90 = 1,107,132.40/x - Step 3: Cross multiply
2,703,423.70x = 4,057,431.90 × 1,107,132.40 - Step 4: Simplify right side
2,703,423.70x = 4,492,114,317,283.56 - Step 5: Solve for x
x = 4,492,114,317,283.56/2,703,423.70 - Step 6: Final answer
x = 1,661,639.02
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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.