Finding the Fourth Proportional to 4,080,553.98, 6,121,173.62 and 1,240,690.74
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Solution
The fourth proportional to 4,080,553.98, 6,121,173.62 and 1,240,690.74 is: 1,861,140.29
Step by Step Solution
- Step 1: Write the proportion equation
4,080,553.98 : 6,121,173.62 = 1,240,690.74 : x - Step 2: Convert to fraction form
4,080,553.98/6,121,173.62 = 1,240,690.74/x - Step 3: Cross multiply
4,080,553.98x = 6,121,173.62 × 1,240,690.74 - Step 4: Simplify right side
4,080,553.98x = 7,594,483,428,266.28 - Step 5: Solve for x
x = 7,594,483,428,266.28/4,080,553.98 - Step 6: Final answer
x = 1,861,140.29
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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.