Finding the Fourth Proportional to 5,070,578.50, 6,997,404.48 and 2,747,469.18
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Solution
The fourth proportional to 5,070,578.50, 6,997,404.48 and 2,747,469.18 is: 3,791,510.80
Step by Step Solution
- Step 1: Write the proportion equation
5,070,578.50 : 6,997,404.48 = 2,747,469.18 : x - Step 2: Convert to fraction form
5,070,578.50/6,997,404.48 = 2,747,469.18/x - Step 3: Cross multiply
5,070,578.50x = 6,997,404.48 × 2,747,469.18 - Step 4: Simplify right side
5,070,578.50x = 19,225,153,148,793.93 - Step 5: Solve for x
x = 19,225,153,148,793.93/5,070,578.50 - Step 6: Final answer
x = 3,791,510.80
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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.