Finding the Fourth Proportional to 6,474,405.21, 8,934,677.84 and 3,573,795.33
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Solution
The fourth proportional to 6,474,405.21, 8,934,677.84 and 3,573,795.33 is: 4,931,836.81
Step by Step Solution
- Step 1: Write the proportion equation
6,474,405.21 : 8,934,677.84 = 3,573,795.33 : x - Step 2: Convert to fraction form
6,474,405.21/8,934,677.84 = 3,573,795.33/x - Step 3: Cross multiply
6,474,405.21x = 8,934,677.84 × 3,573,795.33 - Step 4: Simplify right side
6,474,405.21x = 31,930,709,921,777.52 - Step 5: Solve for x
x = 31,930,709,921,777.52/6,474,405.21 - Step 6: Final answer
x = 4,931,836.81
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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.