Finding the Fourth Proportional to 5,537,880.65, 7,642,230.84 and 3,214,988.70
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Solution
The fourth proportional to 5,537,880.65, 7,642,230.84 and 3,214,988.70 is: 4,436,658.60
Step by Step Solution
- Step 1: Write the proportion equation
5,537,880.65 : 7,642,230.84 = 3,214,988.70 : x - Step 2: Convert to fraction form
5,537,880.65/7,642,230.84 = 3,214,988.70/x - Step 3: Cross multiply
5,537,880.65x = 7,642,230.84 × 3,214,988.70 - Step 4: Simplify right side
5,537,880.65x = 24,569,685,793,391.51 - Step 5: Solve for x
x = 24,569,685,793,391.51/5,537,880.65 - Step 6: Final answer
x = 4,436,658.60
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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.