Finding the Fourth Proportional to 5,478,644.08, 8,219,086.96 and 1,883,944.17
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Solution
The fourth proportional to 5,478,644.08, 8,219,086.96 and 1,883,944.17 is: 2,826,301.68
Step by Step Solution
- Step 1: Write the proportion equation
5,478,644.08 : 8,219,086.96 = 1,883,944.17 : x - Step 2: Convert to fraction form
5,478,644.08/8,219,086.96 = 1,883,944.17/x - Step 3: Cross multiply
5,478,644.08x = 8,219,086.96 × 1,883,944.17 - Step 4: Simplify right side
5,478,644.08x = 15,484,300,961,015.02 - Step 5: Solve for x
x = 15,484,300,961,015.02/5,478,644.08 - Step 6: Final answer
x = 2,826,301.68
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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.