Finding the Fourth Proportional to 5,228,649.92, 7,215,753.84 and 2,905,533.79
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Solution
The fourth proportional to 5,228,649.92, 7,215,753.84 and 2,905,533.79 is: 4,009,757.19
Step by Step Solution
- Step 1: Write the proportion equation
5,228,649.92 : 7,215,753.84 = 2,905,533.79 : x - Step 2: Convert to fraction form
5,228,649.92/7,215,753.84 = 2,905,533.79/x - Step 3: Cross multiply
5,228,649.92x = 7,215,753.84 × 2,905,533.79 - Step 4: Simplify right side
5,228,649.92x = 20,965,616,602,442.25 - Step 5: Solve for x
x = 20,965,616,602,442.25/5,228,649.92 - Step 6: Final answer
x = 4,009,757.19
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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.