Finding the Fourth Proportional to 4,985,701.37, 6,880,796.86 and 2,922,450.56
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Solution
The fourth proportional to 4,985,701.37, 6,880,796.86 and 2,922,450.56 is: 4,033,291.84
Step by Step Solution
- Step 1: Write the proportion equation
4,985,701.37 : 6,880,796.86 = 2,922,450.56 : x - Step 2: Convert to fraction form
4,985,701.37/6,880,796.86 = 2,922,450.56/x - Step 3: Cross multiply
4,985,701.37x = 6,880,796.86 × 2,922,450.56 - Step 4: Simplify right side
4,985,701.37x = 20,108,788,636,753.24 - Step 5: Solve for x
x = 20,108,788,636,753.24/4,985,701.37 - Step 6: Final answer
x = 4,033,291.84
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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.