Finding the Fourth Proportional to 3,812,405.19, 5,718,791.70 and 1,253,563.48
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Solution
The fourth proportional to 3,812,405.19, 5,718,791.70 and 1,253,563.48 is: 1,880,405.70
Step by Step Solution
- Step 1: Write the proportion equation
3,812,405.19 : 5,718,791.70 = 1,253,563.48 : x - Step 2: Convert to fraction form
3,812,405.19/5,718,791.70 = 1,253,563.48/x - Step 3: Cross multiply
3,812,405.19x = 5,718,791.70 × 1,253,563.48 - Step 4: Simplify right side
3,812,405.19x = 7,168,868,442,278.00 - Step 5: Solve for x
x = 7,168,868,442,278.00/3,812,405.19 - Step 6: Final answer
x = 1,880,405.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.