Finding the Fourth Proportional to 4,071,157.70, 6,106,932.95 and 1,338,644.61
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Solution
The fourth proportional to 4,071,157.70, 6,106,932.95 and 1,338,644.61 is: 2,008,031.50
Step by Step Solution
- Step 1: Write the proportion equation
4,071,157.70 : 6,106,932.95 = 1,338,644.61 : x - Step 2: Convert to fraction form
4,071,157.70/6,106,932.95 = 1,338,644.61/x - Step 3: Cross multiply
4,071,157.70x = 6,106,932.95 × 1,338,644.61 - Step 4: Simplify right side
4,071,157.70x = 8,175,012,892,416.23 - Step 5: Solve for x
x = 8,175,012,892,416.23/4,071,157.70 - Step 6: Final answer
x = 2,008,031.50
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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.