Finding the Fourth Proportional to 4,431,193.48, 6,648,336.78 and 1,399,028.68
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Solution
The fourth proportional to 4,431,193.48, 6,648,336.78 and 1,399,028.68 is: 2,099,031.30
Step by Step Solution
- Step 1: Write the proportion equation
4,431,193.48 : 6,648,336.78 = 1,399,028.68 : x - Step 2: Convert to fraction form
4,431,193.48/6,648,336.78 = 1,399,028.68/x - Step 3: Cross multiply
4,431,193.48x = 6,648,336.78 × 1,399,028.68 - Step 4: Simplify right side
4,431,193.48x = 9,301,213,829,518.85 - Step 5: Solve for x
x = 9,301,213,829,518.85/4,431,193.48 - Step 6: Final answer
x = 2,099,031.30
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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.