Finding the Fourth Proportional to 3,855,817.68, 5,782,392.18 and 1,580,696.16
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Solution
The fourth proportional to 3,855,817.68, 5,782,392.18 and 1,580,696.16 is: 2,370,497.23
Step by Step Solution
- Step 1: Write the proportion equation
3,855,817.68 : 5,782,392.18 = 1,580,696.16 : x - Step 2: Convert to fraction form
3,855,817.68/5,782,392.18 = 1,580,696.16/x - Step 3: Cross multiply
3,855,817.68x = 5,782,392.18 × 1,580,696.16 - Step 4: Simplify right side
3,855,817.68x = 9,140,205,114,540.03 - Step 5: Solve for x
x = 9,140,205,114,540.03/3,855,817.68 - Step 6: Final answer
x = 2,370,497.23
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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.