Finding the Fourth Proportional to 5,782,859.19, 7,980,392.57 and 3,204,583.02
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Solution
The fourth proportional to 5,782,859.19, 7,980,392.57 and 3,204,583.02 is: 4,422,350.55
Step by Step Solution
- Step 1: Write the proportion equation
5,782,859.19 : 7,980,392.57 = 3,204,583.02 : x - Step 2: Convert to fraction form
5,782,859.19/7,980,392.57 = 3,204,583.02/x - Step 3: Cross multiply
5,782,859.19x = 7,980,392.57 × 3,204,583.02 - Step 4: Simplify right side
5,782,859.19x = 25,573,830,506,733.25 - Step 5: Solve for x
x = 25,573,830,506,733.25/5,782,859.19 - Step 6: Final answer
x = 4,422,350.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.