Finding the Fourth Proportional to 2,102,780.38, 3,154,124.94 and 586,423.12
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Solution
The fourth proportional to 2,102,780.38, 3,154,124.94 and 586,423.12 is: 879,621.95
Step by Step Solution
- Step 1: Write the proportion equation
2,102,780.38 : 3,154,124.94 = 586,423.12 : x - Step 2: Convert to fraction form
2,102,780.38/3,154,124.94 = 586,423.12/x - Step 3: Cross multiply
2,102,780.38x = 3,154,124.94 × 586,423.12 - Step 4: Simplify right side
2,102,780.38x = 1,849,651,788,184.61 - Step 5: Solve for x
x = 1,849,651,788,184.61/2,102,780.38 - Step 6: Final answer
x = 879,621.95
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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.