Finding the Fourth Proportional to 5,531,656.68, 7,633,128.42 and 3,084,037.56
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Solution
The fourth proportional to 5,531,656.68, 7,633,128.42 and 3,084,037.56 is: 4,255,660.85
Step by Step Solution
- Step 1: Write the proportion equation
5,531,656.68 : 7,633,128.42 = 3,084,037.56 : x - Step 2: Convert to fraction form
5,531,656.68/7,633,128.42 = 3,084,037.56/x - Step 3: Cross multiply
5,531,656.68x = 7,633,128.42 × 3,084,037.56 - Step 4: Simplify right side
5,531,656.68x = 23,540,854,747,583.46 - Step 5: Solve for x
x = 23,540,854,747,583.46/5,531,656.68 - Step 6: Final answer
x = 4,255,660.85
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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.