Finding the Fourth Proportional to 6,447,704.67, 9,671,207.09 and 1,959,630.75
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Solution
The fourth proportional to 6,447,704.67, 9,671,207.09 and 1,959,630.75 is: 2,939,339.77
Step by Step Solution
- Step 1: Write the proportion equation
6,447,704.67 : 9,671,207.09 = 1,959,630.75 : x - Step 2: Convert to fraction form
6,447,704.67/9,671,207.09 = 1,959,630.75/x - Step 3: Cross multiply
6,447,704.67x = 9,671,207.09 × 1,959,630.75 - Step 4: Simplify right side
6,447,704.67x = 18,951,994,793,383.87 - Step 5: Solve for x
x = 18,951,994,793,383.87/6,447,704.67 - Step 6: Final answer
x = 2,939,339.77
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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.