Finding the Fourth Proportional to 2,898,389.94, 3,999,902.97 and 1,609,230.20
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Solution
The fourth proportional to 2,898,389.94, 3,999,902.97 and 1,609,230.20 is: 2,220,806.99
Step by Step Solution
- Step 1: Write the proportion equation
2,898,389.94 : 3,999,902.97 = 1,609,230.20 : x - Step 2: Convert to fraction form
2,898,389.94/3,999,902.97 = 1,609,230.20/x - Step 3: Cross multiply
2,898,389.94x = 3,999,902.97 × 1,609,230.20 - Step 4: Simplify right side
2,898,389.94x = 6,436,764,636,394.18 - Step 5: Solve for x
x = 6,436,764,636,394.18/2,898,389.94 - Step 6: Final answer
x = 2,220,806.99
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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.