Finding the Fourth Proportional to 4,664,540.49, 6,433,259.64 and 3,916,579.20
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Solution
The fourth proportional to 4,664,540.49, 6,433,259.64 and 3,916,579.20 is: 5,401,683.39
Step by Step Solution
- Step 1: Write the proportion equation
4,664,540.49 : 6,433,259.64 = 3,916,579.20 : x - Step 2: Convert to fraction form
4,664,540.49/6,433,259.64 = 3,916,579.20/x - Step 3: Cross multiply
4,664,540.49x = 6,433,259.64 × 3,916,579.20 - Step 4: Simplify right side
4,664,540.49x = 25,196,370,894,223.49 - Step 5: Solve for x
x = 25,196,370,894,223.49/4,664,540.49 - Step 6: Final answer
x = 5,401,683.39
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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.