Finding the Fourth Proportional to 2,865,610.20, 3,954,574.80 and 1,641,891.09
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Solution
The fourth proportional to 2,865,610.20, 3,954,574.80 and 1,641,891.09 is: 2,265,828.45
Step by Step Solution
- Step 1: Write the proportion equation
2,865,610.20 : 3,954,574.80 = 1,641,891.09 : x - Step 2: Convert to fraction form
2,865,610.20/3,954,574.80 = 1,641,891.09/x - Step 3: Cross multiply
2,865,610.20x = 3,954,574.80 × 1,641,891.09 - Step 4: Simplify right side
2,865,610.20x = 6,492,981,128,858.53 - Step 5: Solve for x
x = 6,492,981,128,858.53/2,865,610.20 - Step 6: Final answer
x = 2,265,828.45
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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.