Finding the Fourth Proportional to 3,053,979.78, 4,579,952.41 and 1,231,874.11
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Solution
The fourth proportional to 3,053,979.78, 4,579,952.41 and 1,231,874.11 is: 1,847,400.84
Step by Step Solution
- Step 1: Write the proportion equation
3,053,979.78 : 4,579,952.41 = 1,231,874.11 : x - Step 2: Convert to fraction form
3,053,979.78/4,579,952.41 = 1,231,874.11/x - Step 3: Cross multiply
3,053,979.78x = 4,579,952.41 × 1,231,874.11 - Step 4: Simplify right side
3,053,979.78x = 5,641,924,798,911.11 - Step 5: Solve for x
x = 5,641,924,798,911.11/3,053,979.78 - Step 6: Final answer
x = 1,847,400.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.