Finding the Fourth Proportional to 2,715,091.12, 3,746,607.24 and 1,569,245.68
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Solution
The fourth proportional to 2,715,091.12, 3,746,607.24 and 1,569,245.68 is: 2,165,432.75
Step by Step Solution
- Step 1: Write the proportion equation
2,715,091.12 : 3,746,607.24 = 1,569,245.68 : x - Step 2: Convert to fraction form
2,715,091.12/3,746,607.24 = 1,569,245.68/x - Step 3: Cross multiply
2,715,091.12x = 3,746,607.24 × 1,569,245.68 - Step 4: Simplify right side
2,715,091.12x = 5,879,347,226,026.72 - Step 5: Solve for x
x = 5,879,347,226,026.72/2,715,091.12 - Step 6: Final answer
x = 2,165,432.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.