Finding the Fourth Proportional to 3,330,778.05, 4,988,296.89 and 1,626,088.77
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Solution
The fourth proportional to 3,330,778.05, 4,988,296.89 and 1,626,088.77 is: 2,435,290.92
Step by Step Solution
- Step 1: Write the proportion equation
3,330,778.05 : 4,988,296.89 = 1,626,088.77 : x - Step 2: Convert to fraction form
3,330,778.05/4,988,296.89 = 1,626,088.77/x - Step 3: Cross multiply
3,330,778.05x = 4,988,296.89 × 1,626,088.77 - Step 4: Simplify right side
3,330,778.05x = 8,111,413,554,254.93 - Step 5: Solve for x
x = 8,111,413,554,254.93/3,330,778.05 - Step 6: Final answer
x = 2,435,290.92
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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.