Finding the Fourth Proportional to 1,721,000.68, 2,375,025.74 and 946,651.48
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Solution
The fourth proportional to 1,721,000.68, 2,375,025.74 and 946,651.48 is: 1,306,403.69
Step by Step Solution
- Step 1: Write the proportion equation
1,721,000.68 : 2,375,025.74 = 946,651.48 : x - Step 2: Convert to fraction form
1,721,000.68/2,375,025.74 = 946,651.48/x - Step 3: Cross multiply
1,721,000.68x = 2,375,025.74 × 946,651.48 - Step 4: Simplify right side
1,721,000.68x = 2,248,321,631,809.10 - Step 5: Solve for x
x = 2,248,321,631,809.10/1,721,000.68 - Step 6: Final answer
x = 1,306,403.69
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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.