Finding the Fourth Proportional to 2,816,771.78, 3,887,353.87 and 1,576,506.17
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Solution
The fourth proportional to 2,816,771.78, 3,887,353.87 and 1,576,506.17 is: 2,175,695.38
Step by Step Solution
- Step 1: Write the proportion equation
2,816,771.78 : 3,887,353.87 = 1,576,506.17 : x - Step 2: Convert to fraction form
2,816,771.78/3,887,353.87 = 1,576,506.17/x - Step 3: Cross multiply
2,816,771.78x = 3,887,353.87 × 1,576,506.17 - Step 4: Simplify right side
2,816,771.78x = 6,128,437,366,805.50 - Step 5: Solve for x
x = 6,128,437,366,805.50/2,816,771.78 - Step 6: Final answer
x = 2,175,695.38
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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.