Finding the Fourth Proportional to 5,347,551.42, 8,020,758.42 and 1,509,278.94
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Solution
The fourth proportional to 5,347,551.42, 8,020,758.42 and 1,509,278.94 is: 2,263,757.90
Step by Step Solution
- Step 1: Write the proportion equation
5,347,551.42 : 8,020,758.42 = 1,509,278.94 : x - Step 2: Convert to fraction form
5,347,551.42/8,020,758.42 = 1,509,278.94/x - Step 3: Cross multiply
5,347,551.42x = 8,020,758.42 × 1,509,278.94 - Step 4: Simplify right side
5,347,551.42x = 12,105,561,766,133.67 - Step 5: Solve for x
x = 12,105,561,766,133.67/5,347,551.42 - Step 6: Final answer
x = 2,263,757.90
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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.