Finding the Fourth Proportional to 1,876,964.80, 2,815,253.47 and 1,273,627.03
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Solution
The fourth proportional to 1,876,964.80, 2,815,253.47 and 1,273,627.03 is: 1,910,309.09
Step by Step Solution
- Step 1: Write the proportion equation
1,876,964.80 : 2,815,253.47 = 1,273,627.03 : x - Step 2: Convert to fraction form
1,876,964.80/2,815,253.47 = 1,273,627.03/x - Step 3: Cross multiply
1,876,964.80x = 2,815,253.47 × 1,273,627.03 - Step 4: Simplify right side
1,876,964.80x = 3,585,582,915,693.29 - Step 5: Solve for x
x = 3,585,582,915,693.29/1,876,964.80 - Step 6: Final answer
x = 1,910,309.09
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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.