Finding the Fourth Proportional to 1,728,540.59, 2,385,387.97 and 964,593.95
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Solution
The fourth proportional to 1,728,540.59, 2,385,387.97 and 964,593.95 is: 1,331,140.74
Step by Step Solution
- Step 1: Write the proportion equation
1,728,540.59 : 2,385,387.97 = 964,593.95 : x - Step 2: Convert to fraction form
1,728,540.59/2,385,387.97 = 964,593.95/x - Step 3: Cross multiply
1,728,540.59x = 2,385,387.97 × 964,593.95 - Step 4: Simplify right side
1,728,540.59x = 2,300,930,789,926.36 - Step 5: Solve for x
x = 2,300,930,789,926.36/1,728,540.59 - Step 6: Final answer
x = 1,331,140.74
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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.