Finding the Fourth Proportional to 1,467,625.70, 2,201,438.55 and 1,243,676.90
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Solution
The fourth proportional to 1,467,625.70, 2,201,438.55 and 1,243,676.90 is: 1,865,515.35
Step by Step Solution
- Step 1: Write the proportion equation
1,467,625.70 : 2,201,438.55 = 1,243,676.90 : x - Step 2: Convert to fraction form
1,467,625.70/2,201,438.55 = 1,243,676.90/x - Step 3: Cross multiply
1,467,625.70x = 2,201,438.55 × 1,243,676.90 - Step 4: Simplify right side
1,467,625.70x = 2,737,878,271,404.49 - Step 5: Solve for x
x = 2,737,878,271,404.49/1,467,625.70 - Step 6: Final answer
x = 1,865,515.35
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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.