Finding the Fourth Proportional to 5,465,778.72, 7,542,777.50 and 2,985,033.36
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Solution
The fourth proportional to 5,465,778.72, 7,542,777.50 and 2,985,033.36 is: 4,119,347.60
Step by Step Solution
- Step 1: Write the proportion equation
5,465,778.72 : 7,542,777.50 = 2,985,033.36 : x - Step 2: Convert to fraction form
5,465,778.72/7,542,777.50 = 2,985,033.36/x - Step 3: Cross multiply
5,465,778.72x = 7,542,777.50 × 2,985,033.36 - Step 4: Simplify right side
5,465,778.72x = 22,515,442,456,072.25 - Step 5: Solve for x
x = 22,515,442,456,072.25/5,465,778.72 - Step 6: Final answer
x = 4,119,347.60
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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.