Finding the Fourth Proportional to 2,560,521.18, 3,840,783.05 and 667,257.82
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Solution
The fourth proportional to 2,560,521.18, 3,840,783.05 and 667,257.82 is: 1,000,887.06
Step by Step Solution
- Step 1: Write the proportion equation
2,560,521.18 : 3,840,783.05 = 667,257.82 : x - Step 2: Convert to fraction form
2,560,521.18/3,840,783.05 = 667,257.82/x - Step 3: Cross multiply
2,560,521.18x = 3,840,783.05 × 667,257.82 - Step 4: Simplify right side
2,560,521.18x = 2,562,792,525,035.95 - Step 5: Solve for x
x = 2,562,792,525,035.95/2,560,521.18 - Step 6: Final answer
x = 1,000,887.06
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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.