Finding the Fourth Proportional to 5,616,943.20, 8,425,654.53 and 2,205,969
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Solution
The fourth proportional to 5,616,943.20, 8,425,654.53 and 2,205,969 is: 3,309,047.65
Step by Step Solution
- Step 1: Write the proportion equation
5,616,943.20 : 8,425,654.53 = 2,205,969 : x - Step 2: Convert to fraction form
5,616,943.20/8,425,654.53 = 2,205,969/x - Step 3: Cross multiply
5,616,943.20x = 8,425,654.53 × 2,205,969 - Step 4: Simplify right side
5,616,943.20x = 18,586,732,697,889.57 - Step 5: Solve for x
x = 18,586,732,697,889.57/5,616,943.20 - Step 6: Final answer
x = 3,309,047.65
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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.