Finding the Fourth Proportional to 3,537,185.90, 4,876,373.76 and 2,991,130.88
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Solution
The fourth proportional to 3,537,185.90, 4,876,373.76 and 2,991,130.88 is: 4,123,580.88
Step by Step Solution
- Step 1: Write the proportion equation
3,537,185.90 : 4,876,373.76 = 2,991,130.88 : x - Step 2: Convert to fraction form
3,537,185.90/4,876,373.76 = 2,991,130.88/x - Step 3: Cross multiply
3,537,185.90x = 4,876,373.76 × 2,991,130.88 - Step 4: Simplify right side
3,537,185.90x = 14,585,872,135,957.71 - Step 5: Solve for x
x = 14,585,872,135,957.71/3,537,185.90 - Step 6: Final answer
x = 4,123,580.88
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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.