Finding the Fourth Proportional to 4,485,688.52, 6,190,195.78 and 2,551,944.68
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Solution
The fourth proportional to 4,485,688.52, 6,190,195.78 and 2,551,944.68 is: 3,521,652.72
Step by Step Solution
- Step 1: Write the proportion equation
4,485,688.52 : 6,190,195.78 = 2,551,944.68 : x - Step 2: Convert to fraction form
4,485,688.52/6,190,195.78 = 2,551,944.68/x - Step 3: Cross multiply
4,485,688.52x = 6,190,195.78 × 2,551,944.68 - Step 4: Simplify right side
4,485,688.52x = 15,797,037,188,929.45 - Step 5: Solve for x
x = 15,797,037,188,929.45/4,485,688.52 - Step 6: Final answer
x = 3,521,652.72
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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.