Finding the Fourth Proportional to 4,527,420.36, 6,790,392.45 and 1,331,799.18
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Solution
The fourth proportional to 4,527,420.36, 6,790,392.45 and 1,331,799.18 is: 1,997,481.65
Step by Step Solution
- Step 1: Write the proportion equation
4,527,420.36 : 6,790,392.45 = 1,331,799.18 : x - Step 2: Convert to fraction form
4,527,420.36/6,790,392.45 = 1,331,799.18/x - Step 3: Cross multiply
4,527,420.36x = 6,790,392.45 × 1,331,799.18 - Step 4: Simplify right side
4,527,420.36x = 9,043,439,096,788.19 - Step 5: Solve for x
x = 9,043,439,096,788.19/4,527,420.36 - Step 6: Final answer
x = 1,997,481.65
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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.