Finding the Fourth Proportional to 2,178,876.96, 3,268,840.28 and 682,968.96
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Solution
The fourth proportional to 2,178,876.96, 3,268,840.28 and 682,968.96 is: 1,024,617.95
Step by Step Solution
- Step 1: Write the proportion equation
2,178,876.96 : 3,268,840.28 = 682,968.96 : x - Step 2: Convert to fraction form
2,178,876.96/3,268,840.28 = 682,968.96/x - Step 3: Cross multiply
2,178,876.96x = 3,268,840.28 × 682,968.96 - Step 4: Simplify right side
2,178,876.96x = 2,232,516,443,022.86 - Step 5: Solve for x
x = 2,232,516,443,022.86/2,178,876.96 - Step 6: Final answer
x = 1,024,617.95
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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.