Finding the Fourth Proportional to 6,315,709.05, 8,715,672.27 and 3,415,092.98
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Solution
The fourth proportional to 6,315,709.05, 8,715,672.27 and 3,415,092.98 is: 4,712,824.94
Step by Step Solution
- Step 1: Write the proportion equation
6,315,709.05 : 8,715,672.27 = 3,415,092.98 : x - Step 2: Convert to fraction form
6,315,709.05/8,715,672.27 = 3,415,092.98/x - Step 3: Cross multiply
6,315,709.05x = 8,715,672.27 × 3,415,092.98 - Step 4: Simplify right side
6,315,709.05x = 29,764,831,141,679.30 - Step 5: Solve for x
x = 29,764,831,141,679.30/6,315,709.05 - Step 6: Final answer
x = 4,712,824.94
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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.