Finding the Fourth Proportional to 4,291,865.93, 5,921,310.12 and 2,659,677.75
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Solution
The fourth proportional to 4,291,865.93, 5,921,310.12 and 2,659,677.75 is: 3,669,447.52
Step by Step Solution
- Step 1: Write the proportion equation
4,291,865.93 : 5,921,310.12 = 2,659,677.75 : x - Step 2: Convert to fraction form
4,291,865.93/5,921,310.12 = 2,659,677.75/x - Step 3: Cross multiply
4,291,865.93x = 5,921,310.12 × 2,659,677.75 - Step 4: Simplify right side
4,291,865.93x = 15,748,776,777,013.83 - Step 5: Solve for x
x = 15,748,776,777,013.83/4,291,865.93 - Step 6: Final answer
x = 3,669,447.52
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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.