Finding the Fourth Proportional to 2,586,800.75, 3,569,895.18 and 1,440,880.79
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Solution
The fourth proportional to 2,586,800.75, 3,569,895.18 and 1,440,880.79 is: 1,988,476.84
Step by Step Solution
- Step 1: Write the proportion equation
2,586,800.75 : 3,569,895.18 = 1,440,880.79 : x - Step 2: Convert to fraction form
2,586,800.75/3,569,895.18 = 1,440,880.79/x - Step 3: Cross multiply
2,586,800.75x = 3,569,895.18 × 1,440,880.79 - Step 4: Simplify right side
2,586,800.75x = 5,143,793,369,326.12 - Step 5: Solve for x
x = 5,143,793,369,326.12/2,586,800.75 - Step 6: Final answer
x = 1,988,476.84
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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.