Finding the Fourth Proportional to 5,777,989.62, 8,666,964.38 and 1,734,461.12
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Solution
The fourth proportional to 5,777,989.62, 8,666,964.38 and 1,734,461.12 is: 2,601,685.66
Step by Step Solution
- Step 1: Write the proportion equation
5,777,989.62 : 8,666,964.38 = 1,734,461.12 : x - Step 2: Convert to fraction form
5,777,989.62/8,666,964.38 = 1,734,461.12/x - Step 3: Cross multiply
5,777,989.62x = 8,666,964.38 × 1,734,461.12 - Step 4: Simplify right side
5,777,989.62x = 15,032,512,745,534.91 - Step 5: Solve for x
x = 15,032,512,745,534.91/5,777,989.62 - Step 6: Final answer
x = 2,601,685.66
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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.