Finding the Fourth Proportional to 6,474,540.70, 9,713,107.05 and 1,925,580.70
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Solution
The fourth proportional to 6,474,540.70, 9,713,107.05 and 1,925,580.70 is: 2,888,756.49
Step by Step Solution
- Step 1: Write the proportion equation
6,474,540.70 : 9,713,107.05 = 1,925,580.70 : x - Step 2: Convert to fraction form
6,474,540.70/9,713,107.05 = 1,925,580.70/x - Step 3: Cross multiply
6,474,540.70x = 9,713,107.05 × 1,925,580.70 - Step 4: Simplify right side
6,474,540.70x = 18,703,371,472,513.94 - Step 5: Solve for x
x = 18,703,371,472,513.94/6,474,540.70 - Step 6: Final answer
x = 2,888,756.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.