Finding the Fourth Proportional to 7,887,558.70, 11,831,338.05 and 3,906,246.70
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Solution
The fourth proportional to 7,887,558.70, 11,831,338.05 and 3,906,246.70 is: 5,859,370.05
Step by Step Solution
- Step 1: Write the proportion equation
7,887,558.70 : 11,831,338.05 = 3,906,246.70 : x - Step 2: Convert to fraction form
7,887,558.70/11,831,338.05 = 3,906,246.70/x - Step 3: Cross multiply
7,887,558.70x = 11,831,338.05 × 3,906,246.70 - Step 4: Simplify right side
7,887,558.70x = 46,216,125,214,396.94 - Step 5: Solve for x
x = 46,216,125,214,396.94/7,887,558.70 - Step 6: Final answer
x = 5,859,370.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.