Finding the Fourth Proportional to 1,761,880.65, 2,431,461.99 and 987,525.65
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Solution
The fourth proportional to 1,761,880.65, 2,431,461.99 and 987,525.65 is: 1,362,822.78
Step by Step Solution
- Step 1: Write the proportion equation
1,761,880.65 : 2,431,461.99 = 987,525.65 : x - Step 2: Convert to fraction form
1,761,880.65/2,431,461.99 = 987,525.65/x - Step 3: Cross multiply
1,761,880.65x = 2,431,461.99 × 987,525.65 - Step 4: Simplify right side
1,761,880.65x = 2,401,131,078,124.84 - Step 5: Solve for x
x = 2,401,131,078,124.84/1,761,880.65 - Step 6: Final answer
x = 1,362,822.78
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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.