Finding the Fourth Proportional to 1,489,394.70, 2,234,178.45 and 424,514.70
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Solution
The fourth proportional to 1,489,394.70, 2,234,178.45 and 424,514.70 is: 636,796.68
Step by Step Solution
- Step 1: Write the proportion equation
1,489,394.70 : 2,234,178.45 = 424,514.70 : x - Step 2: Convert to fraction form
1,489,394.70/2,234,178.45 = 424,514.70/x - Step 3: Cross multiply
1,489,394.70x = 2,234,178.45 × 424,514.70 - Step 4: Simplify right side
1,489,394.70x = 948,441,594,448.22 - Step 5: Solve for x
x = 948,441,594,448.22/1,489,394.70 - Step 6: Final answer
x = 636,796.68
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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.