Finding the Fourth Proportional to 4,985,957.84, 6,880,623.67 and 2,694,118.52
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Solution
The fourth proportional to 4,985,957.84, 6,880,623.67 and 2,694,118.52 is: 3,717,884.57
Step by Step Solution
- Step 1: Write the proportion equation
4,985,957.84 : 6,880,623.67 = 2,694,118.52 : x - Step 2: Convert to fraction form
4,985,957.84/6,880,623.67 = 2,694,118.52/x - Step 3: Cross multiply
4,985,957.84x = 6,880,623.67 × 2,694,118.52 - Step 4: Simplify right side
4,985,957.84x = 18,537,215,679,066.57 - Step 5: Solve for x
x = 18,537,215,679,066.57/4,985,957.84 - Step 6: Final answer
x = 3,717,884.57
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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.