Finding the Fourth Proportional to 1,514,318.20, 2,270,985.90 and 503,168.62
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Solution
The fourth proportional to 1,514,318.20, 2,270,985.90 and 503,168.62 is: 754,589.65
Step by Step Solution
- Step 1: Write the proportion equation
1,514,318.20 : 2,270,985.90 = 503,168.62 : x - Step 2: Convert to fraction form
1,514,318.20/2,270,985.90 = 503,168.62/x - Step 3: Cross multiply
1,514,318.20x = 2,270,985.90 × 503,168.62 - Step 4: Simplify right side
1,514,318.20x = 1,142,688,841,342.46 - Step 5: Solve for x
x = 1,142,688,841,342.46/1,514,318.20 - Step 6: Final answer
x = 754,589.65
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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.