Finding the Fourth Proportional to 5,367,515.85, 8,048,515.68 and 1,580,506.65
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Solution
The fourth proportional to 5,367,515.85, 8,048,515.68 and 1,580,506.65 is: 2,369,947.83
Step by Step Solution
- Step 1: Write the proportion equation
5,367,515.85 : 8,048,515.68 = 1,580,506.65 : x - Step 2: Convert to fraction form
5,367,515.85/8,048,515.68 = 1,580,506.65/x - Step 3: Cross multiply
5,367,515.85x = 8,048,515.68 × 1,580,506.65 - Step 4: Simplify right side
5,367,515.85x = 12,720,732,554,869.27 - Step 5: Solve for x
x = 12,720,732,554,869.27/5,367,515.85 - Step 6: Final answer
x = 2,369,947.83
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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.