Finding the Fourth Proportional to 3,775,391.24, 5,210,160.18 and 2,056,566.92
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Solution
The fourth proportional to 3,775,391.24, 5,210,160.18 and 2,056,566.92 is: 2,838,127.86
Step by Step Solution
- Step 1: Write the proportion equation
3,775,391.24 : 5,210,160.18 = 2,056,566.92 : x - Step 2: Convert to fraction form
3,775,391.24/5,210,160.18 = 2,056,566.92/x - Step 3: Cross multiply
3,775,391.24x = 5,210,160.18 × 2,056,566.92 - Step 4: Simplify right side
3,775,391.24x = 10,715,043,074,089.24 - Step 5: Solve for x
x = 10,715,043,074,089.24/3,775,391.24 - Step 6: Final answer
x = 2,838,127.86
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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.