Finding the Fourth Proportional to 1,351,489.98, 1,864,871.70 and 807,510.18
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Solution
The fourth proportional to 1,351,489.98, 1,864,871.70 and 807,510.18 is: 1,114,253.83
Step by Step Solution
- Step 1: Write the proportion equation
1,351,489.98 : 1,864,871.70 = 807,510.18 : x - Step 2: Convert to fraction form
1,351,489.98/1,864,871.70 = 807,510.18/x - Step 3: Cross multiply
1,351,489.98x = 1,864,871.70 × 807,510.18 - Step 4: Simplify right side
1,351,489.98x = 1,505,902,882,143.91 - Step 5: Solve for x
x = 1,505,902,882,143.91/1,351,489.98 - Step 6: Final answer
x = 1,114,253.83
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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.