Finding the Fourth Proportional to 5,352,922.68, 7,386,835.73 and 2,905,481.96
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Solution
The fourth proportional to 5,352,922.68, 7,386,835.73 and 2,905,481.96 is: 4,009,457.87
Step by Step Solution
- Step 1: Write the proportion equation
5,352,922.68 : 7,386,835.73 = 2,905,481.96 : x - Step 2: Convert to fraction form
5,352,922.68/7,386,835.73 = 2,905,481.96/x - Step 3: Cross multiply
5,352,922.68x = 7,386,835.73 × 2,905,481.96 - Step 4: Simplify right side
5,352,922.68x = 21,462,317,954,998.43 - Step 5: Solve for x
x = 21,462,317,954,998.43/5,352,922.68 - Step 6: Final answer
x = 4,009,457.87
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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.