Finding the Fourth Proportional to 5,472,331.20, 8,184,877.20 and 4,622,025.60
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Solution
The fourth proportional to 5,472,331.20, 8,184,877.20 and 4,622,025.60 is: 6,913,088.88
Step by Step Solution
- Step 1: Write the proportion equation
5,472,331.20 : 8,184,877.20 = 4,622,025.60 : x - Step 2: Convert to fraction form
5,472,331.20/8,184,877.20 = 4,622,025.60/x - Step 3: Cross multiply
5,472,331.20x = 8,184,877.20 × 4,622,025.60 - Step 4: Simplify right side
5,472,331.20x = 37,830,711,951,256.32 - Step 5: Solve for x
x = 37,830,711,951,256.32/5,472,331.20 - Step 6: Final answer
x = 6,913,088.88
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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.