Finding the Fourth Proportional to 3,943,887.12, 5,916,169.35 and 1,384,882.08
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Solution
The fourth proportional to 3,943,887.12, 5,916,169.35 and 1,384,882.08 is: 2,077,442.04
Step by Step Solution
- Step 1: Write the proportion equation
3,943,887.12 : 5,916,169.35 = 1,384,882.08 : x - Step 2: Convert to fraction form
3,943,887.12/5,916,169.35 = 1,384,882.08/x - Step 3: Cross multiply
3,943,887.12x = 5,916,169.35 × 1,384,882.08 - Step 4: Simplify right side
3,943,887.12x = 8,193,196,892,874.61 - Step 5: Solve for x
x = 8,193,196,892,874.61/3,943,887.12 - Step 6: Final answer
x = 2,077,442.04
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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.