Finding the Fourth Proportional to 5,782,852.36, 7,980,383.52 and 3,204,576.20
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Solution
The fourth proportional to 5,782,852.36, 7,980,383.52 and 3,204,576.20 is: 4,422,341.35
Step by Step Solution
- Step 1: Write the proportion equation
5,782,852.36 : 7,980,383.52 = 3,204,576.20 : x - Step 2: Convert to fraction form
5,782,852.36/7,980,383.52 = 3,204,576.20/x - Step 3: Cross multiply
5,782,852.36x = 7,980,383.52 × 3,204,576.20 - Step 4: Simplify right side
5,782,852.36x = 25,573,747,095,064.22 - Step 5: Solve for x
x = 25,573,747,095,064.22/5,782,852.36 - Step 6: Final answer
x = 4,422,341.35
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1.5x scale
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.