Finding the Fourth Proportional to 5,207,730.37, 7,808,747.99 and 4,135,132.96
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Solution
The fourth proportional to 5,207,730.37, 7,808,747.99 and 4,135,132.96 is: 6,200,438.37
Step by Step Solution
- Step 1: Write the proportion equation
5,207,730.37 : 7,808,747.99 = 4,135,132.96 : x - Step 2: Convert to fraction form
5,207,730.37/7,808,747.99 = 4,135,132.96/x - Step 3: Cross multiply
5,207,730.37x = 7,808,747.99 × 4,135,132.96 - Step 4: Simplify right side
5,207,730.37x = 32,290,211,180,598.71 - Step 5: Solve for x
x = 32,290,211,180,598.71/5,207,730.37 - Step 6: Final answer
x = 6,200,438.37
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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.