Finding the Fourth Proportional to 5,405,765.60, 8,106,257.28 and 1,618,542.56
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Solution
The fourth proportional to 5,405,765.60, 8,106,257.28 and 1,618,542.56 is: 2,427,097.91
Step by Step Solution
- Step 1: Write the proportion equation
5,405,765.60 : 8,106,257.28 = 1,618,542.56 : x - Step 2: Convert to fraction form
5,405,765.60/8,106,257.28 = 1,618,542.56/x - Step 3: Cross multiply
5,405,765.60x = 8,106,257.28 × 1,618,542.56 - Step 4: Simplify right side
5,405,765.60x = 13,120,322,409,989.84 - Step 5: Solve for x
x = 13,120,322,409,989.84/5,405,765.60 - Step 6: Final answer
x = 2,427,097.91
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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.