Finding the Fourth Proportional to 3,154,605.91, 4,731,908.87 and 758,450.63
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Solution
The fourth proportional to 3,154,605.91, 4,731,908.87 and 758,450.63 is: 1,137,675.95
Step by Step Solution
- Step 1: Write the proportion equation
3,154,605.91 : 4,731,908.87 = 758,450.63 : x - Step 2: Convert to fraction form
3,154,605.91/4,731,908.87 = 758,450.63/x - Step 3: Cross multiply
3,154,605.91x = 4,731,908.87 × 758,450.63 - Step 4: Simplify right side
3,154,605.91x = 3,588,919,263,554.09 - Step 5: Solve for x
x = 3,588,919,263,554.09/3,154,605.91 - Step 6: Final answer
x = 1,137,675.95
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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.