Finding the Fourth Proportional to 3,975,816.84, 5,958,207.80 and 1,811,552.78
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Solution
The fourth proportional to 3,975,816.84, 5,958,207.80 and 1,811,552.78 is: 2,714,815.18
Step by Step Solution
- Step 1: Write the proportion equation
3,975,816.84 : 5,958,207.80 = 1,811,552.78 : x - Step 2: Convert to fraction form
3,975,816.84/5,958,207.80 = 1,811,552.78/x - Step 3: Cross multiply
3,975,816.84x = 5,958,207.80 × 1,811,552.78 - Step 4: Simplify right side
3,975,816.84x = 10,793,607,903,907.68 - Step 5: Solve for x
x = 10,793,607,903,907.68/3,975,816.84 - Step 6: Final answer
x = 2,714,815.18
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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.