Finding the Fourth Proportional to 2,103,748.70, 3,156,147.92 and 607,840.70
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Solution
The fourth proportional to 2,103,748.70, 3,156,147.92 and 607,840.70 is: 911,912.70
Step by Step Solution
- Step 1: Write the proportion equation
2,103,748.70 : 3,156,147.92 = 607,840.70 : x - Step 2: Convert to fraction form
2,103,748.70/3,156,147.92 = 607,840.70/x - Step 3: Cross multiply
2,103,748.70x = 3,156,147.92 × 607,840.70 - Step 4: Simplify right side
2,103,748.70x = 1,918,435,142,176.40 - Step 5: Solve for x
x = 1,918,435,142,176.40/2,103,748.70 - Step 6: Final answer
x = 911,912.70
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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.