Finding the Fourth Proportional to 1,737,541.62, 2,396,385.72 and 1,222,998.84
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Solution
The fourth proportional to 1,737,541.62, 2,396,385.72 and 1,222,998.84 is: 1,686,737.70
Step by Step Solution
- Step 1: Write the proportion equation
1,737,541.62 : 2,396,385.72 = 1,222,998.84 : x - Step 2: Convert to fraction form
1,737,541.62/2,396,385.72 = 1,222,998.84/x - Step 3: Cross multiply
1,737,541.62x = 2,396,385.72 × 1,222,998.84 - Step 4: Simplify right side
1,737,541.62x = 2,930,776,955,752.57 - Step 5: Solve for x
x = 2,930,776,955,752.57/1,737,541.62 - Step 6: Final answer
x = 1,686,737.70
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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.