Finding the Fourth Proportional to 5,731,078.07, 7,908,766.94 and 3,152,711.99
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Solution
The fourth proportional to 5,731,078.07, 7,908,766.94 and 3,152,711.99 is: 4,350,676.09
Step by Step Solution
- Step 1: Write the proportion equation
5,731,078.07 : 7,908,766.94 = 3,152,711.99 : x - Step 2: Convert to fraction form
5,731,078.07/7,908,766.94 = 3,152,711.99/x - Step 3: Cross multiply
5,731,078.07x = 7,908,766.94 × 3,152,711.99 - Step 4: Simplify right side
5,731,078.07x = 24,934,064,302,546.21 - Step 5: Solve for x
x = 24,934,064,302,546.21/5,731,078.07 - Step 6: Final answer
x = 4,350,676.09
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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.