Finding the Fourth Proportional to 2,660,838.34, 3,992,832.39 and 979,122.82
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Solution
The fourth proportional to 2,660,838.34, 3,992,832.39 and 979,122.82 is: 1,469,263.75
Step by Step Solution
- Step 1: Write the proportion equation
2,660,838.34 : 3,992,832.39 = 979,122.82 : x - Step 2: Convert to fraction form
2,660,838.34/3,992,832.39 = 979,122.82/x - Step 3: Cross multiply
2,660,838.34x = 3,992,832.39 × 979,122.82 - Step 4: Simplify right side
2,660,838.34x = 3,909,473,309,484.14 - Step 5: Solve for x
x = 3,909,473,309,484.14/2,660,838.34 - Step 6: Final answer
x = 1,469,263.75
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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.