Finding the Fourth Proportional to 1,532,631.38, 2,115,097.11 and 853,567.88
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Solution
The fourth proportional to 1,532,631.38, 2,115,097.11 and 853,567.88 is: 1,177,960.32
Step by Step Solution
- Step 1: Write the proportion equation
1,532,631.38 : 2,115,097.11 = 853,567.88 : x - Step 2: Convert to fraction form
1,532,631.38/2,115,097.11 = 853,567.88/x - Step 3: Cross multiply
1,532,631.38x = 2,115,097.11 × 853,567.88 - Step 4: Simplify right side
1,532,631.38x = 1,805,378,945,601.34 - Step 5: Solve for x
x = 1,805,378,945,601.34/1,532,631.38 - Step 6: Final answer
x = 1,177,960.32
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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.