Finding the Fourth Proportional to 3,774,887.92, 5,209,859.55 and 2,226,586.96
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Solution
The fourth proportional to 3,774,887.92, 5,209,859.55 and 2,226,586.96 is: 3,072,993.31
Step by Step Solution
- Step 1: Write the proportion equation
3,774,887.92 : 5,209,859.55 = 2,226,586.96 : x - Step 2: Convert to fraction form
3,774,887.92/5,209,859.55 = 2,226,586.96/x - Step 3: Cross multiply
3,774,887.92x = 5,209,859.55 × 2,226,586.96 - Step 4: Simplify right side
3,774,887.92x = 11,600,205,337,461.47 - Step 5: Solve for x
x = 11,600,205,337,461.47/3,774,887.92 - Step 6: Final answer
x = 3,072,993.31
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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.