Finding the Fourth Proportional to 1,507,121.91, 2,260,704.13 and 442,185.95
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Solution
The fourth proportional to 1,507,121.91, 2,260,704.13 and 442,185.95 is: 663,285.17
Step by Step Solution
- Step 1: Write the proportion equation
1,507,121.91 : 2,260,704.13 = 442,185.95 : x - Step 2: Convert to fraction form
1,507,121.91/2,260,704.13 = 442,185.95/x - Step 3: Cross multiply
1,507,121.91x = 2,260,704.13 × 442,185.95 - Step 4: Simplify right side
1,507,121.91x = 999,651,607,939.27 - Step 5: Solve for x
x = 999,651,607,939.27/1,507,121.91 - Step 6: Final answer
x = 663,285.17
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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.