Finding the Fourth Proportional to 1,580,446.62, 2,371,389.84 and 669,878.24
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Solution
The fourth proportional to 1,580,446.62, 2,371,389.84 and 669,878.24 is: 1,005,122.49
Step by Step Solution
- Step 1: Write the proportion equation
1,580,446.62 : 2,371,389.84 = 669,878.24 : x - Step 2: Convert to fraction form
1,580,446.62/2,371,389.84 = 669,878.24/x - Step 3: Cross multiply
1,580,446.62x = 2,371,389.84 × 669,878.24 - Step 4: Simplify right side
1,580,446.62x = 1,588,542,440,516.13 - Step 5: Solve for x
x = 1,588,542,440,516.13/1,580,446.62 - Step 6: Final answer
x = 1,005,122.49
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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.