Finding the Fourth Proportional to 1,413,239.40, 2,116,748.70 and 851,293.80
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Solution
The fourth proportional to 1,413,239.40, 2,116,748.70 and 851,293.80 is: 1,275,067.09
Step by Step Solution
- Step 1: Write the proportion equation
1,413,239.40 : 2,116,748.70 = 851,293.80 : x - Step 2: Convert to fraction form
1,413,239.40/2,116,748.70 = 851,293.80/x - Step 3: Cross multiply
1,413,239.40x = 2,116,748.70 × 851,293.80 - Step 4: Simplify right side
1,413,239.40x = 1,801,975,044,468.06 - Step 5: Solve for x
x = 1,801,975,044,468.06/1,413,239.40 - Step 6: Final answer
x = 1,275,067.09
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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.