Finding the Fourth Proportional to 3,114,893.98, 4,298,553.87 and 1,719,455.99
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Solution
The fourth proportional to 3,114,893.98, 4,298,553.87 and 1,719,455.99 is: 2,372,849.35
Step by Step Solution
- Step 1: Write the proportion equation
3,114,893.98 : 4,298,553.87 = 1,719,455.99 : x - Step 2: Convert to fraction form
3,114,893.98/4,298,553.87 = 1,719,455.99/x - Step 3: Cross multiply
3,114,893.98x = 4,298,553.87 × 1,719,455.99 - Step 4: Simplify right side
3,114,893.98x = 7,391,174,172,168.45 - Step 5: Solve for x
x = 7,391,174,172,168.45/3,114,893.98 - Step 6: Final answer
x = 2,372,849.35
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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.