Finding the Fourth Proportional to 6,823,576.80, 9,413,133.12 and 4,068,321.12
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Solution
The fourth proportional to 6,823,576.80, 9,413,133.12 and 4,068,321.12 is: 5,612,254.31
Step by Step Solution
- Step 1: Write the proportion equation
6,823,576.80 : 9,413,133.12 = 4,068,321.12 : x - Step 2: Convert to fraction form
6,823,576.80/9,413,133.12 = 4,068,321.12/x - Step 3: Cross multiply
6,823,576.80x = 9,413,133.12 × 4,068,321.12 - Step 4: Simplify right side
6,823,576.80x = 38,295,648,277,467.49 - Step 5: Solve for x
x = 38,295,648,277,467.49/6,823,576.80 - Step 6: Final answer
x = 5,612,254.31
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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.