Finding the Fourth Proportional to 2,177,072.84, 3,265,619.69 and 660,768.93
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Solution
The fourth proportional to 2,177,072.84, 3,265,619.69 and 660,768.93 is: 991,156.56
Step by Step Solution
- Step 1: Write the proportion equation
2,177,072.84 : 3,265,619.69 = 660,768.93 : x - Step 2: Convert to fraction form
2,177,072.84/3,265,619.69 = 660,768.93/x - Step 3: Cross multiply
2,177,072.84x = 3,265,619.69 × 660,768.93 - Step 4: Simplify right side
2,177,072.84x = 2,157,820,025,044.39 - Step 5: Solve for x
x = 2,157,820,025,044.39/2,177,072.84 - Step 6: Final answer
x = 991,156.56
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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.