Finding the Fourth Proportional to 6,378,173.48, 8,801,948.10 and 3,477,540.68
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Solution
The fourth proportional to 6,378,173.48, 8,801,948.10 and 3,477,540.68 is: 4,799,043.59
Step by Step Solution
- Step 1: Write the proportion equation
6,378,173.48 : 8,801,948.10 = 3,477,540.68 : x - Step 2: Convert to fraction form
6,378,173.48/8,801,948.10 = 3,477,540.68/x - Step 3: Cross multiply
6,378,173.48x = 8,801,948.10 × 3,477,540.68 - Step 4: Simplify right side
6,378,173.48x = 30,609,132,580,998.71 - Step 5: Solve for x
x = 30,609,132,580,998.71/6,378,173.48 - Step 6: Final answer
x = 4,799,043.59
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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.