Finding the Fourth Proportional to 4,749,445.60, 6,554,562.88 and 2,889,586.88
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Solution
The fourth proportional to 4,749,445.60, 6,554,562.88 and 2,889,586.88 is: 3,987,829.42
Step by Step Solution
- Step 1: Write the proportion equation
4,749,445.60 : 6,554,562.88 = 2,889,586.88 : x - Step 2: Convert to fraction form
4,749,445.60/6,554,562.88 = 2,889,586.88/x - Step 3: Cross multiply
4,749,445.60x = 6,554,562.88 × 2,889,586.88 - Step 4: Simplify right side
4,749,445.60x = 18,939,978,902,183.01 - Step 5: Solve for x
x = 18,939,978,902,183.01/4,749,445.60 - Step 6: Final answer
x = 3,987,829.42
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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.