Finding the Fourth Proportional to 2,118,644.49, 3,179,366.42 and 996,800.97
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Solution
The fourth proportional to 2,118,644.49, 3,179,366.42 and 996,800.97 is: 1,495,859.99
Step by Step Solution
- Step 1: Write the proportion equation
2,118,644.49 : 3,179,366.42 = 996,800.97 : x - Step 2: Convert to fraction form
2,118,644.49/3,179,366.42 = 996,800.97/x - Step 3: Cross multiply
2,118,644.49x = 3,179,366.42 × 996,800.97 - Step 4: Simplify right side
2,118,644.49x = 3,169,195,526,457.42 - Step 5: Solve for x
x = 3,169,195,526,457.42/2,118,644.49 - Step 6: Final answer
x = 1,495,859.99
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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.