Finding the Fourth Proportional to 3,546,498.20, 4,894,172.97 and 2,018,605.32
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Solution
The fourth proportional to 3,546,498.20, 4,894,172.97 and 2,018,605.32 is: 2,785,678.45
Step by Step Solution
- Step 1: Write the proportion equation
3,546,498.20 : 4,894,172.97 = 2,018,605.32 : x - Step 2: Convert to fraction form
3,546,498.20/4,894,172.97 = 2,018,605.32/x - Step 3: Cross multiply
3,546,498.20x = 4,894,172.97 × 2,018,605.32 - Step 4: Simplify right side
3,546,498.20x = 9,879,403,594,242.20 - Step 5: Solve for x
x = 9,879,403,594,242.20/3,546,498.20 - Step 6: Final answer
x = 2,785,678.45
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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.