Finding the Fourth Proportional to 2,815,946.09, 4,217,029.97 and 2,543,008.61
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Solution
The fourth proportional to 2,815,946.09, 4,217,029.97 and 2,543,008.61 is: 3,808,291.48
Step by Step Solution
- Step 1: Write the proportion equation
2,815,946.09 : 4,217,029.97 = 2,543,008.61 : x - Step 2: Convert to fraction form
2,815,946.09/4,217,029.97 = 2,543,008.61/x - Step 3: Cross multiply
2,815,946.09x = 4,217,029.97 × 2,543,008.61 - Step 4: Simplify right side
2,815,946.09x = 10,723,943,511,971.43 - Step 5: Solve for x
x = 10,723,943,511,971.43/2,815,946.09 - Step 6: Final answer
x = 3,808,291.48
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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.