Finding the Fourth Proportional to 4,683,865.61, 6,461,755.25 and 3,135,626.07
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Solution
The fourth proportional to 4,683,865.61, 6,461,755.25 and 3,135,626.07 is: 4,325,838.94
Step by Step Solution
- Step 1: Write the proportion equation
4,683,865.61 : 6,461,755.25 = 3,135,626.07 : x - Step 2: Convert to fraction form
4,683,865.61/6,461,755.25 = 3,135,626.07/x - Step 3: Cross multiply
4,683,865.61x = 6,461,755.25 × 3,135,626.07 - Step 4: Simplify right side
4,683,865.61x = 20,261,648,204,181.24 - Step 5: Solve for x
x = 20,261,648,204,181.24/4,683,865.61 - Step 6: Final answer
x = 4,325,838.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.