Finding the Fourth Proportional to 1,941,864.64, 2,679,717.43 and 1,082,406.44
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Solution
The fourth proportional to 1,941,864.64, 2,679,717.43 and 1,082,406.44 is: 1,493,689.80
Step by Step Solution
- Step 1: Write the proportion equation
1,941,864.64 : 2,679,717.43 = 1,082,406.44 : x - Step 2: Convert to fraction form
1,941,864.64/2,679,717.43 = 1,082,406.44/x - Step 3: Cross multiply
1,941,864.64x = 2,679,717.43 × 1,082,406.44 - Step 4: Simplify right side
1,941,864.64x = 2,900,543,411,664.55 - Step 5: Solve for x
x = 2,900,543,411,664.55/1,941,864.64 - Step 6: Final answer
x = 1,493,689.80
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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.