Finding the Fourth Proportional to 3,887,612.68, 5,365,972.44 and 2,256,545.56
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Solution
The fourth proportional to 3,887,612.68, 5,365,972.44 and 2,256,545.56 is: 3,114,652.17
Step by Step Solution
- Step 1: Write the proportion equation
3,887,612.68 : 5,365,972.44 = 2,256,545.56 : x - Step 2: Convert to fraction form
3,887,612.68/5,365,972.44 = 2,256,545.56/x - Step 3: Cross multiply
3,887,612.68x = 5,365,972.44 × 2,256,545.56 - Step 4: Simplify right side
3,887,612.68x = 12,108,561,284,564.37 - Step 5: Solve for x
x = 12,108,561,284,564.37/3,887,612.68 - Step 6: Final answer
x = 3,114,652.17
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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.