Finding the Fourth Proportional to 5,078,317.91, 7,618,054.87 and 1,841,380.13
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Solution
The fourth proportional to 5,078,317.91, 7,618,054.87 and 1,841,380.13 is: 2,762,279.78
Step by Step Solution
- Step 1: Write the proportion equation
5,078,317.91 : 7,618,054.87 = 1,841,380.13 : x - Step 2: Convert to fraction form
5,078,317.91/7,618,054.87 = 1,841,380.13/x - Step 3: Cross multiply
5,078,317.91x = 7,618,054.87 × 1,841,380.13 - Step 4: Simplify right side
5,078,317.91x = 14,027,734,866,867.73 - Step 5: Solve for x
x = 14,027,734,866,867.73/5,078,317.91 - Step 6: Final answer
x = 2,762,279.78
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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.