Finding the Fourth Proportional to 7,720,154.76, 11,580,330.72 and 2,040,330
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Solution
The fourth proportional to 7,720,154.76, 11,580,330.72 and 2,040,330 is: 3,060,521.05
Step by Step Solution
- Step 1: Write the proportion equation
7,720,154.76 : 11,580,330.72 = 2,040,330 : x - Step 2: Convert to fraction form
7,720,154.76/11,580,330.72 = 2,040,330/x - Step 3: Cross multiply
7,720,154.76x = 11,580,330.72 × 2,040,330 - Step 4: Simplify right side
7,720,154.76x = 23,627,696,177,937.60 - Step 5: Solve for x
x = 23,627,696,177,937.60/7,720,154.76 - Step 6: Final answer
x = 3,060,521.05
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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.