Finding the Fourth Proportional to 2,877,855.14, 3,971,452.78 and 1,588,706.12
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Solution
The fourth proportional to 2,877,855.14, 3,971,452.78 and 1,588,706.12 is: 2,192,421.45
Step by Step Solution
- Step 1: Write the proportion equation
2,877,855.14 : 3,971,452.78 = 1,588,706.12 : x - Step 2: Convert to fraction form
2,877,855.14/3,971,452.78 = 1,588,706.12/x - Step 3: Cross multiply
2,877,855.14x = 3,971,452.78 × 1,588,706.12 - Step 4: Simplify right side
2,877,855.14x = 6,309,471,348,791.53 - Step 5: Solve for x
x = 6,309,471,348,791.53/2,877,855.14 - Step 6: Final answer
x = 2,192,421.45
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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.