Finding the Fourth Proportional to 2,145,047.68, 3,217,986.24 and 815,248
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Solution
The fourth proportional to 2,145,047.68, 3,217,986.24 and 815,248 is: 1,223,029.62
Step by Step Solution
- Step 1: Write the proportion equation
2,145,047.68 : 3,217,986.24 = 815,248 : x - Step 2: Convert to fraction form
2,145,047.68/3,217,986.24 = 815,248/x - Step 3: Cross multiply
2,145,047.68x = 3,217,986.24 × 815,248 - Step 4: Simplify right side
2,145,047.68x = 2,623,456,846,187.52 - Step 5: Solve for x
x = 2,623,456,846,187.52/2,145,047.68 - Step 6: Final answer
x = 1,223,029.62
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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.