Finding the Fourth Proportional to 2,893,590.20, 3,990,850.62 and 1,861,216.58
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Solution
The fourth proportional to 2,893,590.20, 3,990,850.62 and 1,861,216.58 is: 2,566,996.99
Step by Step Solution
- Step 1: Write the proportion equation
2,893,590.20 : 3,990,850.62 = 1,861,216.58 : x - Step 2: Convert to fraction form
2,893,590.20/3,990,850.62 = 1,861,216.58/x - Step 3: Cross multiply
2,893,590.20x = 3,990,850.62 × 1,861,216.58 - Step 4: Simplify right side
2,893,590.20x = 7,427,837,342,247.28 - Step 5: Solve for x
x = 7,427,837,342,247.28/2,893,590.20 - Step 6: Final answer
x = 2,566,996.99
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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.