Finding the Fourth Proportional to 2,235,539.76, 3,085,063.92 and 1,216,942.08
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Solution
The fourth proportional to 2,235,539.76, 3,085,063.92 and 1,216,942.08 is: 1,679,390.44
Step by Step Solution
- Step 1: Write the proportion equation
2,235,539.76 : 3,085,063.92 = 1,216,942.08 : x - Step 2: Convert to fraction form
2,235,539.76/3,085,063.92 = 1,216,942.08/x - Step 3: Cross multiply
2,235,539.76x = 3,085,063.92 × 1,216,942.08 - Step 4: Simplify right side
2,235,539.76x = 3,754,344,103,737.75 - Step 5: Solve for x
x = 3,754,344,103,737.75/2,235,539.76 - Step 6: Final answer
x = 1,679,390.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.