Finding the Fourth Proportional to 4,267,555.16, 5,889,923.04 and 3,172,260.79
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Solution
The fourth proportional to 4,267,555.16, 5,889,923.04 and 3,172,260.79 is: 4,378,237.94
Step by Step Solution
- Step 1: Write the proportion equation
4,267,555.16 : 5,889,923.04 = 3,172,260.79 : x - Step 2: Convert to fraction form
4,267,555.16/5,889,923.04 = 3,172,260.79/x - Step 3: Cross multiply
4,267,555.16x = 5,889,923.04 × 3,172,260.79 - Step 4: Simplify right side
4,267,555.16x = 18,684,371,915,909.60 - Step 5: Solve for x
x = 18,684,371,915,909.60/4,267,555.16 - Step 6: Final answer
x = 4,378,237.94
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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.