Finding the Fourth Proportional to 1,836,345.20, 2,754,517.80 and 637,869.20
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Solution
The fourth proportional to 1,836,345.20, 2,754,517.80 and 637,869.20 is: 956,803.80
Step by Step Solution
- Step 1: Write the proportion equation
1,836,345.20 : 2,754,517.80 = 637,869.20 : x - Step 2: Convert to fraction form
1,836,345.20/2,754,517.80 = 637,869.20/x - Step 3: Cross multiply
1,836,345.20x = 2,754,517.80 × 637,869.20 - Step 4: Simplify right side
1,836,345.20x = 1,757,022,065,471.76 - Step 5: Solve for x
x = 1,757,022,065,471.76/1,836,345.20 - Step 6: Final answer
x = 956,803.80
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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.