Finding the Fourth Proportional to 1,397,151.18, 1,928,277.50 and 853,601.09
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Solution
The fourth proportional to 1,397,151.18, 1,928,277.50 and 853,601.09 is: 1,178,097.11
Step by Step Solution
- Step 1: Write the proportion equation
1,397,151.18 : 1,928,277.50 = 853,601.09 : x - Step 2: Convert to fraction form
1,397,151.18/1,928,277.50 = 853,601.09/x - Step 3: Cross multiply
1,397,151.18x = 1,928,277.50 × 853,601.09 - Step 4: Simplify right side
1,397,151.18x = 1,645,979,761,913.08 - Step 5: Solve for x
x = 1,645,979,761,913.08/1,397,151.18 - Step 6: Final answer
x = 1,178,097.11
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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.