Finding the Fourth Proportional to 3,778,336.49, 5,214,105.77 and 2,146,745.99
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Solution
The fourth proportional to 3,778,336.49, 5,214,105.77 and 2,146,745.99 is: 2,962,510.27
Step by Step Solution
- Step 1: Write the proportion equation
3,778,336.49 : 5,214,105.77 = 2,146,745.99 : x - Step 2: Convert to fraction form
3,778,336.49/5,214,105.77 = 2,146,745.99/x - Step 3: Cross multiply
3,778,336.49x = 5,214,105.77 × 2,146,745.99 - Step 4: Simplify right side
3,778,336.49x = 11,193,360,655,484.90 - Step 5: Solve for x
x = 11,193,360,655,484.90/3,778,336.49 - Step 6: Final answer
x = 2,962,510.27
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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.