Finding the Fourth Proportional to 4,640,231.55, 6,957,649.57 and 3,104,981.24
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Solution
The fourth proportional to 4,640,231.55, 6,957,649.57 and 3,104,981.24 is: 4,655,666.68
Step by Step Solution
- Step 1: Write the proportion equation
4,640,231.55 : 6,957,649.57 = 3,104,981.24 : x - Step 2: Convert to fraction form
4,640,231.55/6,957,649.57 = 3,104,981.24/x - Step 3: Cross multiply
4,640,231.55x = 6,957,649.57 × 3,104,981.24 - Step 4: Simplify right side
4,640,231.55x = 21,603,371,398,975.74 - Step 5: Solve for x
x = 21,603,371,398,975.74/4,640,231.55 - Step 6: Final answer
x = 4,655,666.68
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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.