Finding the Fourth Proportional to 5,437,134.93, 7,503,087.51 and 2,989,743.42
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Solution
The fourth proportional to 5,437,134.93, 7,503,087.51 and 2,989,743.42 is: 4,125,758.66
Step by Step Solution
- Step 1: Write the proportion equation
5,437,134.93 : 7,503,087.51 = 2,989,743.42 : x - Step 2: Convert to fraction form
5,437,134.93/7,503,087.51 = 2,989,743.42/x - Step 3: Cross multiply
5,437,134.93x = 7,503,087.51 × 2,989,743.42 - Step 4: Simplify right side
5,437,134.93x = 22,432,306,512,706.68 - Step 5: Solve for x
x = 22,432,306,512,706.68/5,437,134.93 - Step 6: Final answer
x = 4,125,758.66
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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.