Finding the Fourth Proportional to 5,176,246.39, 7,764,369.64 and 1,581,982.97
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Solution
The fourth proportional to 5,176,246.39, 7,764,369.64 and 1,581,982.97 is: 2,372,974.47
Step by Step Solution
- Step 1: Write the proportion equation
5,176,246.39 : 7,764,369.64 = 1,581,982.97 : x - Step 2: Convert to fraction form
5,176,246.39/7,764,369.64 = 1,581,982.97/x - Step 3: Cross multiply
5,176,246.39x = 7,764,369.64 × 1,581,982.97 - Step 4: Simplify right side
5,176,246.39x = 12,283,100,515,856.59 - Step 5: Solve for x
x = 12,283,100,515,856.59/5,176,246.39 - Step 6: Final answer
x = 2,372,974.47
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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.