Finding the Fourth Proportional to 2,660,836.84, 3,992,830.14 and 979,121.32
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Solution
The fourth proportional to 2,660,836.84, 3,992,830.14 and 979,121.32 is: 1,469,261.50
Step by Step Solution
- Step 1: Write the proportion equation
2,660,836.84 : 3,992,830.14 = 979,121.32 : x - Step 2: Convert to fraction form
2,660,836.84/3,992,830.14 = 979,121.32/x - Step 3: Cross multiply
2,660,836.84x = 3,992,830.14 × 979,121.32 - Step 4: Simplify right side
2,660,836.84x = 3,909,465,117,212.59 - Step 5: Solve for x
x = 3,909,465,117,212.59/2,660,836.84 - Step 6: Final answer
x = 1,469,261.50
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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.