Finding the Fourth Proportional to 2,740,658.56, 4,110,965.16 and 2,142,122.83
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Solution
The fourth proportional to 2,740,658.56, 4,110,965.16 and 2,142,122.83 is: 3,213,166.51
Step by Step Solution
- Step 1: Write the proportion equation
2,740,658.56 : 4,110,965.16 = 2,142,122.83 : x - Step 2: Convert to fraction form
2,740,658.56/4,110,965.16 = 2,142,122.83/x - Step 3: Cross multiply
2,740,658.56x = 4,110,965.16 × 2,142,122.83 - Step 4: Simplify right side
2,740,658.56x = 8,806,192,304,260.23 - Step 5: Solve for x
x = 8,806,192,304,260.23/2,740,658.56 - Step 6: Final answer
x = 3,213,166.51
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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.