Finding the Fourth Proportional to 6,787,167.05, 10,167,119.39 and 3,138,783.08
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Solution
The fourth proportional to 6,787,167.05, 10,167,119.39 and 3,138,783.08 is: 4,701,870.75
Step by Step Solution
- Step 1: Write the proportion equation
6,787,167.05 : 10,167,119.39 = 3,138,783.08 : x - Step 2: Convert to fraction form
6,787,167.05/10,167,119.39 = 3,138,783.08/x - Step 3: Cross multiply
6,787,167.05x = 10,167,119.39 × 3,138,783.08 - Step 4: Simplify right side
6,787,167.05x = 31,912,382,270,683.29 - Step 5: Solve for x
x = 31,912,382,270,683.29/6,787,167.05 - Step 6: Final answer
x = 4,701,870.75
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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.