Finding the Fourth Proportional to 3,125,115.70, 4,687,673.55 and 881,253.70
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Solution
The fourth proportional to 3,125,115.70, 4,687,673.55 and 881,253.70 is: 1,321,880.55
Step by Step Solution
- Step 1: Write the proportion equation
3,125,115.70 : 4,687,673.55 = 881,253.70 : x - Step 2: Convert to fraction form
3,125,115.70/4,687,673.55 = 881,253.70/x - Step 3: Cross multiply
3,125,115.70x = 4,687,673.55 × 881,253.70 - Step 4: Simplify right side
3,125,115.70x = 4,131,029,660,329.64 - Step 5: Solve for x
x = 4,131,029,660,329.64/3,125,115.70 - Step 6: Final answer
x = 1,321,880.55
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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.