Finding the Fourth Proportional to 1,507,558.15, 2,080,509.87 and 854,310.70
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Solution
The fourth proportional to 1,507,558.15, 2,080,509.87 and 854,310.70 is: 1,178,993.89
Step by Step Solution
- Step 1: Write the proportion equation
1,507,558.15 : 2,080,509.87 = 854,310.70 : x - Step 2: Convert to fraction form
1,507,558.15/2,080,509.87 = 854,310.70/x - Step 3: Cross multiply
1,507,558.15x = 2,080,509.87 × 854,310.70 - Step 4: Simplify right side
1,507,558.15x = 1,777,401,843,396.61 - Step 5: Solve for x
x = 1,777,401,843,396.61/1,507,558.15 - Step 6: Final answer
x = 1,178,993.89
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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.