Finding the Fourth Proportional to 6,488,747.58, 8,954,529.68 and 3,588,333.60
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Solution
The fourth proportional to 6,488,747.58, 8,954,529.68 and 3,588,333.60 is: 4,951,932.45
Step by Step Solution
- Step 1: Write the proportion equation
6,488,747.58 : 8,954,529.68 = 3,588,333.60 : x - Step 2: Convert to fraction form
6,488,747.58/8,954,529.68 = 3,588,333.60/x - Step 3: Cross multiply
6,488,747.58x = 8,954,529.68 × 3,588,333.60 - Step 4: Simplify right side
6,488,747.58x = 32,131,839,722,941.25 - Step 5: Solve for x
x = 32,131,839,722,941.25/6,488,747.58 - Step 6: Final answer
x = 4,951,932.45
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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.