Finding the Fourth Proportional to 3,696,806.70, 5,545,739.04 and 1,138,238.13
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Solution
The fourth proportional to 3,696,806.70, 5,545,739.04 and 1,138,238.13 is: 1,707,520.07
Step by Step Solution
- Step 1: Write the proportion equation
3,696,806.70 : 5,545,739.04 = 1,138,238.13 : x - Step 2: Convert to fraction form
3,696,806.70/5,545,739.04 = 1,138,238.13/x - Step 3: Cross multiply
3,696,806.70x = 5,545,739.04 × 1,138,238.13 - Step 4: Simplify right side
3,696,806.70x = 6,312,371,634,357.60 - Step 5: Solve for x
x = 6,312,371,634,357.60/3,696,806.70 - Step 6: Final answer
x = 1,707,520.07
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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.