Finding the Fourth Proportional to 3,771,718.92, 5,658,108.84 and 1,212,076.80
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Solution
The fourth proportional to 3,771,718.92, 5,658,108.84 and 1,212,076.80 is: 1,818,285.67
Step by Step Solution
- Step 1: Write the proportion equation
3,771,718.92 : 5,658,108.84 = 1,212,076.80 : x - Step 2: Convert to fraction form
3,771,718.92/5,658,108.84 = 1,212,076.80/x - Step 3: Cross multiply
3,771,718.92x = 5,658,108.84 × 1,212,076.80 - Step 4: Simplify right side
3,771,718.92x = 6,858,062,456,838.91 - Step 5: Solve for x
x = 6,858,062,456,838.91/3,771,718.92 - Step 6: Final answer
x = 1,818,285.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.