Finding the Fourth Proportional to 3,675,419.28, 5,513,391.63 and 979,730.64
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Solution
The fourth proportional to 3,675,419.28, 5,513,391.63 and 979,730.64 is: 1,469,665.99
Step by Step Solution
- Step 1: Write the proportion equation
3,675,419.28 : 5,513,391.63 = 979,730.64 : x - Step 2: Convert to fraction form
3,675,419.28/5,513,391.63 = 979,730.64/x - Step 3: Cross multiply
3,675,419.28x = 5,513,391.63 × 979,730.64 - Step 4: Simplify right side
3,675,419.28x = 5,401,638,710,230.54 - Step 5: Solve for x
x = 5,401,638,710,230.54/3,675,419.28 - Step 6: Final answer
x = 1,469,665.99
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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.