Finding the Fourth Proportional to 1,891,644.60, 2,837,470.14 and 1,514,961.12
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Solution
The fourth proportional to 1,891,644.60, 2,837,470.14 and 1,514,961.12 is: 2,272,444.27
Step by Step Solution
- Step 1: Write the proportion equation
1,891,644.60 : 2,837,470.14 = 1,514,961.12 : x - Step 2: Convert to fraction form
1,891,644.60/2,837,470.14 = 1,514,961.12/x - Step 3: Cross multiply
1,891,644.60x = 2,837,470.14 × 1,514,961.12 - Step 4: Simplify right side
1,891,644.60x = 4,298,656,941,260.96 - Step 5: Solve for x
x = 4,298,656,941,260.96/1,891,644.60 - Step 6: Final answer
x = 2,272,444.27
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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.