Finding the Fourth Proportional to 5,691,782.60, 7,854,659.99 and 3,078,286.66
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Solution
The fourth proportional to 5,691,782.60, 7,854,659.99 and 3,078,286.66 is: 4,248,035.60
Step by Step Solution
- Step 1: Write the proportion equation
5,691,782.60 : 7,854,659.99 = 3,078,286.66 : x - Step 2: Convert to fraction form
5,691,782.60/7,854,659.99 = 3,078,286.66/x - Step 3: Cross multiply
5,691,782.60x = 7,854,659.99 × 3,078,286.66 - Step 4: Simplify right side
5,691,782.60x = 24,178,895,101,008.91 - Step 5: Solve for x
x = 24,178,895,101,008.91/5,691,782.60 - Step 6: Final answer
x = 4,248,035.60
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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.