Finding the Fourth Proportional to 5,207,812.24, 7,808,870.84 and 4,135,214.80
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Solution
The fourth proportional to 5,207,812.24, 7,808,870.84 and 4,135,214.80 is: 6,200,561.15
Step by Step Solution
- Step 1: Write the proportion equation
5,207,812.24 : 7,808,870.84 = 4,135,214.80 : x - Step 2: Convert to fraction form
5,207,812.24/7,808,870.84 = 4,135,214.80/x - Step 3: Cross multiply
5,207,812.24x = 7,808,870.84 × 4,135,214.80 - Step 4: Simplify right side
5,207,812.24x = 32,291,358,268,856.43 - Step 5: Solve for x
x = 32,291,358,268,856.43/5,207,812.24 - Step 6: Final answer
x = 6,200,561.15
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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.