Finding the Fourth Proportional to 6,252,452.70, 8,628,384.72 and 3,390,884.70
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Solution
The fourth proportional to 6,252,452.70, 8,628,384.72 and 3,390,884.70 is: 4,679,420.88
Step by Step Solution
- Step 1: Write the proportion equation
6,252,452.70 : 8,628,384.72 = 3,390,884.70 : x - Step 2: Convert to fraction form
6,252,452.70/8,628,384.72 = 3,390,884.70/x - Step 3: Cross multiply
6,252,452.70x = 8,628,384.72 × 3,390,884.70 - Step 4: Simplify right side
6,252,452.70x = 29,257,857,732,761.79 - Step 5: Solve for x
x = 29,257,857,732,761.79/6,252,452.70 - Step 6: Final answer
x = 4,679,420.88
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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.