Finding the Fourth Proportional to 4,265,043.30, 6,397,895.43 and 1,425,165.48
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Solution
The fourth proportional to 4,265,043.30, 6,397,895.43 and 1,425,165.48 is: 2,137,858.65
Step by Step Solution
- Step 1: Write the proportion equation
4,265,043.30 : 6,397,895.43 = 1,425,165.48 : x - Step 2: Convert to fraction form
4,265,043.30/6,397,895.43 = 1,425,165.48/x - Step 3: Cross multiply
4,265,043.30x = 6,397,895.43 × 1,425,165.48 - Step 4: Simplify right side
4,265,043.30x = 9,118,059,711,485.76 - Step 5: Solve for x
x = 9,118,059,711,485.76/4,265,043.30 - Step 6: Final answer
x = 2,137,858.65
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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.