Finding the Fourth Proportional to 6,378,195.96, 8,801,750.52 and 3,477,643.20
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Solution
The fourth proportional to 6,378,195.96, 8,801,750.52 and 3,477,643.20 is: 4,799,060.43
Step by Step Solution
- Step 1: Write the proportion equation
6,378,195.96 : 8,801,750.52 = 3,477,643.20 : x - Step 2: Convert to fraction form
6,378,195.96/8,801,750.52 = 3,477,643.20/x - Step 3: Cross multiply
6,378,195.96x = 8,801,750.52 × 3,477,643.20 - Step 4: Simplify right side
6,378,195.96x = 30,609,347,843,974.46 - Step 5: Solve for x
x = 30,609,347,843,974.46/6,378,195.96 - Step 6: Final answer
x = 4,799,060.43
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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.