Finding the Fourth Proportional to 1,514,107.40, 2,088,940.58 and 970,542.90
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Solution
The fourth proportional to 1,514,107.40, 2,088,940.58 and 970,542.90 is: 1,339,010.99
Step by Step Solution
- Step 1: Write the proportion equation
1,514,107.40 : 2,088,940.58 = 970,542.90 : x - Step 2: Convert to fraction form
1,514,107.40/2,088,940.58 = 970,542.90/x - Step 3: Cross multiply
1,514,107.40x = 2,088,940.58 × 970,542.90 - Step 4: Simplify right side
1,514,107.40x = 2,027,406,448,440.88 - Step 5: Solve for x
x = 2,027,406,448,440.88/1,514,107.40 - Step 6: Final answer
x = 1,339,010.99
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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.