Finding the Fourth Proportional to 1,452,438.24, 2,003,872.68 and 1,038,625.44
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Solution
The fourth proportional to 1,452,438.24, 2,003,872.68 and 1,038,625.44 is: 1,432,951.22
Step by Step Solution
- Step 1: Write the proportion equation
1,452,438.24 : 2,003,872.68 = 1,038,625.44 : x - Step 2: Convert to fraction form
1,452,438.24/2,003,872.68 = 1,038,625.44/x - Step 3: Cross multiply
1,452,438.24x = 2,003,872.68 × 1,038,625.44 - Step 4: Simplify right side
1,452,438.24x = 2,081,273,143,968.98 - Step 5: Solve for x
x = 2,081,273,143,968.98/1,452,438.24 - Step 6: Final answer
x = 1,432,951.22
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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.