Finding the Fourth Proportional to 5,137,491.60, 7,707,792.24 and 1,943,596.80
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Solution
The fourth proportional to 5,137,491.60, 7,707,792.24 and 1,943,596.80 is: 2,915,983.42
Step by Step Solution
- Step 1: Write the proportion equation
5,137,491.60 : 7,707,792.24 = 1,943,596.80 : x - Step 2: Convert to fraction form
5,137,491.60/7,707,792.24 = 1,943,596.80/x - Step 3: Cross multiply
5,137,491.60x = 7,707,792.24 × 1,943,596.80 - Step 4: Simplify right side
5,137,491.60x = 14,980,840,332,728.83 - Step 5: Solve for x
x = 14,980,840,332,728.83/5,137,491.60 - Step 6: Final answer
x = 2,915,983.42
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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.