Finding the Fourth Proportional to 4,427,059.20, 6,646,809.60 and 2,747,443.20
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Solution
The fourth proportional to 4,427,059.20, 6,646,809.60 and 2,747,443.20 is: 4,125,025.44
Step by Step Solution
- Step 1: Write the proportion equation
4,427,059.20 : 6,646,809.60 = 2,747,443.20 : x - Step 2: Convert to fraction form
4,427,059.20/6,646,809.60 = 2,747,443.20/x - Step 3: Cross multiply
4,427,059.20x = 6,646,809.60 × 2,747,443.20 - Step 4: Simplify right side
4,427,059.20x = 18,261,731,837,214.72 - Step 5: Solve for x
x = 18,261,731,837,214.72/4,427,059.20 - Step 6: Final answer
x = 4,125,025.44
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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.