Finding the Fourth Proportional to 4,655,548.08, 6,427,608.15 and 3,187,912.62
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Solution
The fourth proportional to 4,655,548.08, 6,427,608.15 and 3,187,912.62 is: 4,401,340.68
Step by Step Solution
- Step 1: Write the proportion equation
4,655,548.08 : 6,427,608.15 = 3,187,912.62 : x - Step 2: Convert to fraction form
4,655,548.08/6,427,608.15 = 3,187,912.62/x - Step 3: Cross multiply
4,655,548.08x = 6,427,608.15 × 3,187,912.62 - Step 4: Simplify right side
4,655,548.08x = 20,490,653,137,799.86 - Step 5: Solve for x
x = 20,490,653,137,799.86/4,655,548.08 - Step 6: Final answer
x = 4,401,340.68
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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.