Finding the Fourth Proportional to 3,777,469.92, 5,667,877.95 and 1,979,926.02
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Solution
The fourth proportional to 3,777,469.92, 5,667,877.95 and 1,979,926.02 is: 2,970,765.95
Step by Step Solution
- Step 1: Write the proportion equation
3,777,469.92 : 5,667,877.95 = 1,979,926.02 : x - Step 2: Convert to fraction form
3,777,469.92/5,667,877.95 = 1,979,926.02/x - Step 3: Cross multiply
3,777,469.92x = 5,667,877.95 × 1,979,926.02 - Step 4: Simplify right side
3,777,469.92x = 11,221,979,031,389.26 - Step 5: Solve for x
x = 11,221,979,031,389.26/3,777,469.92 - Step 6: Final answer
x = 2,970,765.95
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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.