Finding the Fourth Proportional to 1,685,518.71, 2,528,301.42 and 548,286.87
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Solution
The fourth proportional to 1,685,518.71, 2,528,301.42 and 548,286.87 is: 822,437.90
Step by Step Solution
- Step 1: Write the proportion equation
1,685,518.71 : 2,528,301.42 = 548,286.87 : x - Step 2: Convert to fraction form
1,685,518.71/2,528,301.42 = 548,286.87/x - Step 3: Cross multiply
1,685,518.71x = 2,528,301.42 × 548,286.87 - Step 4: Simplify right side
1,685,518.71x = 1,386,234,471,988.36 - Step 5: Solve for x
x = 1,386,234,471,988.36/1,685,518.71 - Step 6: Final answer
x = 822,437.90
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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.