Finding the Fourth Proportional to 1,537,198.38, 2,121,333.48 and 858,134.88
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Solution
The fourth proportional to 1,537,198.38, 2,121,333.48 and 858,134.88 is: 1,184,225.98
Step by Step Solution
- Step 1: Write the proportion equation
1,537,198.38 : 2,121,333.48 = 858,134.88 : x - Step 2: Convert to fraction form
1,537,198.38/2,121,333.48 = 858,134.88/x - Step 3: Cross multiply
1,537,198.38x = 2,121,333.48 × 858,134.88 - Step 4: Simplify right side
1,537,198.38x = 1,820,390,251,299.78 - Step 5: Solve for x
x = 1,820,390,251,299.78/1,537,198.38 - Step 6: Final answer
x = 1,184,225.98
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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.