Finding the Fourth Proportional to 2,942,515.42, 4,413,855.95 and 812,599.53
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Solution
The fourth proportional to 2,942,515.42, 4,413,855.95 and 812,599.53 is: 1,218,922.16
Step by Step Solution
- Step 1: Write the proportion equation
2,942,515.42 : 4,413,855.95 = 812,599.53 : x - Step 2: Convert to fraction form
2,942,515.42/4,413,855.95 = 812,599.53/x - Step 3: Cross multiply
2,942,515.42x = 4,413,855.95 × 812,599.53 - Step 4: Simplify right side
2,942,515.42x = 3,586,697,252,889.99 - Step 5: Solve for x
x = 3,586,697,252,889.99/2,942,515.42 - Step 6: Final answer
x = 1,218,922.16
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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.