Finding the Fourth Proportional to 4,683,779.86, 6,460,049.84 and 4,031,516.02
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Solution
The fourth proportional to 4,683,779.86, 6,460,049.84 and 4,031,516.02 is: 5,560,422.39
Step by Step Solution
- Step 1: Write the proportion equation
4,683,779.86 : 6,460,049.84 = 4,031,516.02 : x - Step 2: Convert to fraction form
4,683,779.86/6,460,049.84 = 4,031,516.02/x - Step 3: Cross multiply
4,683,779.86x = 6,460,049.84 × 4,031,516.02 - Step 4: Simplify right side
4,683,779.86x = 26,043,794,419,958.44 - Step 5: Solve for x
x = 26,043,794,419,958.44/4,683,779.86 - Step 6: Final answer
x = 5,560,422.39
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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.