Finding the Fourth Proportional to 1,718,231.52, 2,577,147.12 and 456,157.20
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Solution
The fourth proportional to 1,718,231.52, 2,577,147.12 and 456,157.20 is: 684,182.66
Step by Step Solution
- Step 1: Write the proportion equation
1,718,231.52 : 2,577,147.12 = 456,157.20 : x - Step 2: Convert to fraction form
1,718,231.52/2,577,147.12 = 456,157.20/x - Step 3: Cross multiply
1,718,231.52x = 2,577,147.12 × 456,157.20 - Step 4: Simplify right side
1,718,231.52x = 1,175,584,214,247.26 - Step 5: Solve for x
x = 1,175,584,214,247.26/1,718,231.52 - Step 6: Final answer
x = 684,182.66
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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.