Finding the Fourth Proportional to 3,657,934.99, 5,490,306.97 and 1,862,162.87
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Solution
The fourth proportional to 3,657,934.99, 5,490,306.97 and 1,862,162.87 is: 2,794,977.43
Step by Step Solution
- Step 1: Write the proportion equation
3,657,934.99 : 5,490,306.97 = 1,862,162.87 : x - Step 2: Convert to fraction form
3,657,934.99/5,490,306.97 = 1,862,162.87/x - Step 3: Cross multiply
3,657,934.99x = 5,490,306.97 × 1,862,162.87 - Step 4: Simplify right side
3,657,934.99x = 10,223,845,752,329.26 - Step 5: Solve for x
x = 10,223,845,752,329.26/3,657,934.99 - Step 6: Final answer
x = 2,794,977.43
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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.