Finding the Fourth Proportional to 1,490,167.91, 2,235,585.20 and 543,538.63
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Solution
The fourth proportional to 1,490,167.91, 2,235,585.20 and 543,538.63 is: 815,429.52
Step by Step Solution
- Step 1: Write the proportion equation
1,490,167.91 : 2,235,585.20 = 543,538.63 : x - Step 2: Convert to fraction form
1,490,167.91/2,235,585.20 = 543,538.63/x - Step 3: Cross multiply
1,490,167.91x = 2,235,585.20 × 543,538.63 - Step 4: Simplify right side
1,490,167.91x = 1,215,126,902,960.66 - Step 5: Solve for x
x = 1,215,126,902,960.66/1,490,167.91 - Step 6: Final answer
x = 815,429.52
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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.