Finding the Fourth Proportional to 5,356,520.84, 7,392,143.10 and 3,151,537.52
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Solution
The fourth proportional to 5,356,520.84, 7,392,143.10 and 3,151,537.52 is: 4,349,206.70
Step by Step Solution
- Step 1: Write the proportion equation
5,356,520.84 : 7,392,143.10 = 3,151,537.52 : x - Step 2: Convert to fraction form
5,356,520.84/7,392,143.10 = 3,151,537.52/x - Step 3: Cross multiply
5,356,520.84x = 7,392,143.10 × 3,151,537.52 - Step 4: Simplify right side
5,356,520.84x = 23,296,616,332,859.11 - Step 5: Solve for x
x = 23,296,616,332,859.11/5,356,520.84 - Step 6: Final answer
x = 4,349,206.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.