Finding the Fourth Proportional to 1,676,270.70, 2,514,796.47 and 478,209.42
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Solution
The fourth proportional to 1,676,270.70, 2,514,796.47 and 478,209.42 is: 717,425.51
Step by Step Solution
- Step 1: Write the proportion equation
1,676,270.70 : 2,514,796.47 = 478,209.42 : x - Step 2: Convert to fraction form
1,676,270.70/2,514,796.47 = 478,209.42/x - Step 3: Cross multiply
1,676,270.70x = 2,514,796.47 × 478,209.42 - Step 4: Simplify right side
1,676,270.70x = 1,202,599,361,336.75 - Step 5: Solve for x
x = 1,202,599,361,336.75/1,676,270.70 - Step 6: Final answer
x = 717,425.51
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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.