Finding the Fourth Proportional to 2,865,857.78, 3,954,883.60 and 1,576,670.48
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Solution
The fourth proportional to 2,865,857.78, 3,954,883.60 and 1,576,670.48 is: 2,175,805.19
Step by Step Solution
- Step 1: Write the proportion equation
2,865,857.78 : 3,954,883.60 = 1,576,670.48 : x - Step 2: Convert to fraction form
2,865,857.78/3,954,883.60 = 1,576,670.48/x - Step 3: Cross multiply
2,865,857.78x = 3,954,883.60 × 1,576,670.48 - Step 4: Simplify right side
2,865,857.78x = 6,235,548,238,795.20 - Step 5: Solve for x
x = 6,235,548,238,795.20/2,865,857.78 - Step 6: Final answer
x = 2,175,805.19
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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.