Finding the Fourth Proportional to 2,086,901.73, 2,879,917.97 and 1,156,668.80
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Solution
The fourth proportional to 2,086,901.73, 2,879,917.97 and 1,156,668.80 is: 1,596,199.38
Step by Step Solution
- Step 1: Write the proportion equation
2,086,901.73 : 2,879,917.97 = 1,156,668.80 : x - Step 2: Convert to fraction form
2,086,901.73/2,879,917.97 = 1,156,668.80/x - Step 3: Cross multiply
2,086,901.73x = 2,879,917.97 × 1,156,668.80 - Step 4: Simplify right side
2,086,901.73x = 3,331,111,242,275.40 - Step 5: Solve for x
x = 3,331,111,242,275.40/2,086,901.73 - Step 6: Final answer
x = 1,596,199.38
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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.