Finding the Fourth Proportional to 4,283,378.94, 6,420,972.62 and 1,586,980.46
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Solution
The fourth proportional to 4,283,378.94, 6,420,972.62 and 1,586,980.46 is: 2,378,953.21
Step by Step Solution
- Step 1: Write the proportion equation
4,283,378.94 : 6,420,972.62 = 1,586,980.46 : x - Step 2: Convert to fraction form
4,283,378.94/6,420,972.62 = 1,586,980.46/x - Step 3: Cross multiply
4,283,378.94x = 6,420,972.62 × 1,586,980.46 - Step 4: Simplify right side
4,283,378.94x = 10,189,958,082,135.01 - Step 5: Solve for x
x = 10,189,958,082,135.01/4,283,378.94 - Step 6: Final answer
x = 2,378,953.21
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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.