Finding the Fourth Proportional to 1,537,452.30, 2,121,640.11 and 858,374.22
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Solution
The fourth proportional to 1,537,452.30, 2,121,640.11 and 858,374.22 is: 1,184,531.82
Step by Step Solution
- Step 1: Write the proportion equation
1,537,452.30 : 2,121,640.11 = 858,374.22 : x - Step 2: Convert to fraction form
1,537,452.30/2,121,640.11 = 858,374.22/x - Step 3: Cross multiply
1,537,452.30x = 2,121,640.11 × 858,374.22 - Step 4: Simplify right side
1,537,452.30x = 1,821,161,174,541.96 - Step 5: Solve for x
x = 1,821,161,174,541.96/1,537,452.30 - Step 6: Final answer
x = 1,184,531.82
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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.