Finding the Fourth Proportional to 3,934,947.08, 5,430,083.60 and 2,192,526.42
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Solution
The fourth proportional to 3,934,947.08, 5,430,083.60 and 2,192,526.42 is: 3,025,606.58
Step by Step Solution
- Step 1: Write the proportion equation
3,934,947.08 : 5,430,083.60 = 2,192,526.42 : x - Step 2: Convert to fraction form
3,934,947.08/5,430,083.60 = 2,192,526.42/x - Step 3: Cross multiply
3,934,947.08x = 5,430,083.60 × 2,192,526.42 - Step 4: Simplify right side
3,934,947.08x = 11,905,601,744,846.08 - Step 5: Solve for x
x = 11,905,601,744,846.08/3,934,947.08 - Step 6: Final answer
x = 3,025,606.58
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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.