Finding the Fourth Proportional to 2,257,542.34, 3,115,408.44 and 1,352,124.34
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Solution
The fourth proportional to 2,257,542.34, 3,115,408.44 and 1,352,124.34 is: 1,865,931.60
Step by Step Solution
- Step 1: Write the proportion equation
2,257,542.34 : 3,115,408.44 = 1,352,124.34 : x - Step 2: Convert to fraction form
2,257,542.34/3,115,408.44 = 1,352,124.34/x - Step 3: Cross multiply
2,257,542.34x = 3,115,408.44 × 1,352,124.34 - Step 4: Simplify right side
2,257,542.34x = 4,212,419,580,765.43 - Step 5: Solve for x
x = 4,212,419,580,765.43/2,257,542.34 - Step 6: Final answer
x = 1,865,931.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.