Finding the Fourth Proportional to 1,859,619.75, 2,566,069.92 and 1,043,636.28
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Solution
The fourth proportional to 1,859,619.75, 2,566,069.92 and 1,043,636.28 is: 1,440,102.83
Step by Step Solution
- Step 1: Write the proportion equation
1,859,619.75 : 2,566,069.92 = 1,043,636.28 : x - Step 2: Convert to fraction form
1,859,619.75/2,566,069.92 = 1,043,636.28/x - Step 3: Cross multiply
1,859,619.75x = 2,566,069.92 × 1,043,636.28 - Step 4: Simplify right side
1,859,619.75x = 2,678,043,665,528.70 - Step 5: Solve for x
x = 2,678,043,665,528.70/1,859,619.75 - Step 6: Final answer
x = 1,440,102.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.