Finding the Fourth Proportional to 5,286,028.68, 7,929,618.66 and 1,690,950.60
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Solution
The fourth proportional to 5,286,028.68, 7,929,618.66 and 1,690,950.60 is: 2,536,610.04
Step by Step Solution
- Step 1: Write the proportion equation
5,286,028.68 : 7,929,618.66 = 1,690,950.60 : x - Step 2: Convert to fraction form
5,286,028.68/7,929,618.66 = 1,690,950.60/x - Step 3: Cross multiply
5,286,028.68x = 7,929,618.66 × 1,690,950.60 - Step 4: Simplify right side
5,286,028.68x = 13,408,593,430,898.20 - Step 5: Solve for x
x = 13,408,593,430,898.20/5,286,028.68 - Step 6: Final answer
x = 2,536,610.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.