Finding the Fourth Proportional to 7,689,457.44, 10,611,505.44 and 4,204,811.52
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Solution
The fourth proportional to 7,689,457.44, 10,611,505.44 and 4,204,811.52 is: 5,802,669.52
Step by Step Solution
- Step 1: Write the proportion equation
7,689,457.44 : 10,611,505.44 = 4,204,811.52 : x - Step 2: Convert to fraction form
7,689,457.44/10,611,505.44 = 4,204,811.52/x - Step 3: Cross multiply
7,689,457.44x = 10,611,505.44 × 4,204,811.52 - Step 4: Simplify right side
7,689,457.44x = 44,619,380,318,654.66 - Step 5: Solve for x
x = 44,619,380,318,654.66/7,689,457.44 - Step 6: Final answer
x = 5,802,669.52
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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.