Finding the Fourth Proportional to 2,144,874.28, 3,217,706.94 and 705,638.68
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Solution
The fourth proportional to 2,144,874.28, 3,217,706.94 and 705,638.68 is: 1,058,588.14
Step by Step Solution
- Step 1: Write the proportion equation
2,144,874.28 : 3,217,706.94 = 705,638.68 : x - Step 2: Convert to fraction form
2,144,874.28/3,217,706.94 = 705,638.68/x - Step 3: Cross multiply
2,144,874.28x = 3,217,706.94 × 705,638.68 - Step 4: Simplify right side
2,144,874.28x = 2,270,538,477,768.44 - Step 5: Solve for x
x = 2,270,538,477,768.44/2,144,874.28 - Step 6: Final answer
x = 1,058,588.14
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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.