Finding the Fourth Proportional to 5,207,730.87, 7,808,748.74 and 4,135,133.46
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Solution
The fourth proportional to 5,207,730.87, 7,808,748.74 and 4,135,133.46 is: 6,200,439.12
Step by Step Solution
- Step 1: Write the proportion equation
5,207,730.87 : 7,808,748.74 = 4,135,133.46 : x - Step 2: Convert to fraction form
5,207,730.87/7,808,748.74 = 4,135,133.46/x - Step 3: Cross multiply
5,207,730.87x = 7,808,748.74 × 4,135,133.46 - Step 4: Simplify right side
5,207,730.87x = 32,290,218,195,506.84 - Step 5: Solve for x
x = 32,290,218,195,506.84/5,207,730.87 - Step 6: Final answer
x = 6,200,439.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.