Finding the Fourth Proportional to 5,342,589.36, 8,013,771.65 and 1,299,097.91
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Solution
The fourth proportional to 5,342,589.36, 8,013,771.65 and 1,299,097.91 is: 1,948,619.53
Step by Step Solution
- Step 1: Write the proportion equation
5,342,589.36 : 8,013,771.65 = 1,299,097.91 : x - Step 2: Convert to fraction form
5,342,589.36/8,013,771.65 = 1,299,097.91/x - Step 3: Cross multiply
5,342,589.36x = 8,013,771.65 × 1,299,097.91 - Step 4: Simplify right side
5,342,589.36x = 10,410,673,955,167.90 - Step 5: Solve for x
x = 10,410,673,955,167.90/5,342,589.36 - Step 6: Final answer
x = 1,948,619.53
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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.