Finding the Fourth Proportional to 5,391,659.70, 8,087,489.55 and 2,557,307.70
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Solution
The fourth proportional to 5,391,659.70, 8,087,489.55 and 2,557,307.70 is: 3,835,961.55
Step by Step Solution
- Step 1: Write the proportion equation
5,391,659.70 : 8,087,489.55 = 2,557,307.70 : x - Step 2: Convert to fraction form
5,391,659.70/8,087,489.55 = 2,557,307.70/x - Step 3: Cross multiply
5,391,659.70x = 8,087,489.55 × 2,557,307.70 - Step 4: Simplify right side
5,391,659.70x = 20,682,199,299,884.54 - Step 5: Solve for x
x = 20,682,199,299,884.54/5,391,659.70 - Step 6: Final answer
x = 3,835,961.55
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Similar ratio
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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.