Finding the Fourth Proportional to 2,382,684.09, 3,288,135.65 and 1,294,977.21
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Solution
The fourth proportional to 2,382,684.09, 3,288,135.65 and 1,294,977.21 is: 1,787,085.72
Step by Step Solution
- Step 1: Write the proportion equation
2,382,684.09 : 3,288,135.65 = 1,294,977.21 : x - Step 2: Convert to fraction form
2,382,684.09/3,288,135.65 = 1,294,977.21/x - Step 3: Cross multiply
2,382,684.09x = 3,288,135.65 × 1,294,977.21 - Step 4: Simplify right side
2,382,684.09x = 4,258,060,723,663.65 - Step 5: Solve for x
x = 4,258,060,723,663.65/2,382,684.09 - Step 6: Final answer
x = 1,787,085.72
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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.