Finding the Fourth Proportional to 1,988,861.24, 2,744,623.50 and 1,083,441.08
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Solution
The fourth proportional to 1,988,861.24, 2,744,623.50 and 1,083,441.08 is: 1,495,145.96
Step by Step Solution
- Step 1: Write the proportion equation
1,988,861.24 : 2,744,623.50 = 1,083,441.08 : x - Step 2: Convert to fraction form
1,988,861.24/2,744,623.50 = 1,083,441.08/x - Step 3: Cross multiply
1,988,861.24x = 2,744,623.50 × 1,083,441.08 - Step 4: Simplify right side
1,988,861.24x = 2,973,637,849,033.38 - Step 5: Solve for x
x = 2,973,637,849,033.38/1,988,861.24 - Step 6: Final answer
x = 1,495,145.96
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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.