Finding the Fourth Proportional to 3,696,786.10, 5,545,708.12 and 1,138,217.50
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Solution
The fourth proportional to 3,696,786.10, 5,545,708.12 and 1,138,217.50 is: 1,707,489.12
Step by Step Solution
- Step 1: Write the proportion equation
3,696,786.10 : 5,545,708.12 = 1,138,217.50 : x - Step 2: Convert to fraction form
3,696,786.10/5,545,708.12 = 1,138,217.50/x - Step 3: Cross multiply
3,696,786.10x = 5,545,708.12 × 1,138,217.50 - Step 4: Simplify right side
3,696,786.10x = 6,312,222,032,076.10 - Step 5: Solve for x
x = 6,312,222,032,076.10/3,696,786.10 - Step 6: Final answer
x = 1,707,489.12
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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.