Finding the Fourth Proportional to 2,143,854.24, 2,956,544.10 and 1,456,554.84
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Solution
The fourth proportional to 2,143,854.24, 2,956,544.10 and 1,456,554.84 is: 2,008,704.01
Step by Step Solution
- Step 1: Write the proportion equation
2,143,854.24 : 2,956,544.10 = 1,456,554.84 : x - Step 2: Convert to fraction form
2,143,854.24/2,956,544.10 = 1,456,554.84/x - Step 3: Cross multiply
2,143,854.24x = 2,956,544.10 × 1,456,554.84 - Step 4: Simplify right side
2,143,854.24x = 4,306,368,618,528.44 - Step 5: Solve for x
x = 4,306,368,618,528.44/2,143,854.24 - Step 6: Final answer
x = 2,008,704.01
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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.