Finding the Fourth Proportional to 7,813,660.75, 11,720,934 and 2,423,077.54
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Solution
The fourth proportional to 7,813,660.75, 11,720,934 and 2,423,077.54 is: 3,634,753.65
Step by Step Solution
- Step 1: Write the proportion equation
7,813,660.75 : 11,720,934 = 2,423,077.54 : x - Step 2: Convert to fraction form
7,813,660.75/11,720,934 = 2,423,077.54/x - Step 3: Cross multiply
7,813,660.75x = 11,720,934 × 2,423,077.54 - Step 4: Simplify right side
7,813,660.75x = 28,400,731,959,850.28 - Step 5: Solve for x
x = 28,400,731,959,850.28/7,813,660.75 - Step 6: Final answer
x = 3,634,753.65
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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.