Finding the Fourth Proportional to 2,389,315.62, 3,297,254.12 and 1,316,227.62
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Solution
The fourth proportional to 2,389,315.62, 3,297,254.12 and 1,316,227.62 is: 1,816,393.32
Step by Step Solution
- Step 1: Write the proportion equation
2,389,315.62 : 3,297,254.12 = 1,316,227.62 : x - Step 2: Convert to fraction form
2,389,315.62/3,297,254.12 = 1,316,227.62/x - Step 3: Cross multiply
2,389,315.62x = 3,297,254.12 × 1,316,227.62 - Step 4: Simplify right side
2,389,315.62x = 4,339,936,942,902.80 - Step 5: Solve for x
x = 4,339,936,942,902.80/2,389,315.62 - Step 6: Final answer
x = 1,816,393.32
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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.