Finding the Fourth Proportional to 1,512,068.10, 2,268,102.18 and 1,138,820.10
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Solution
The fourth proportional to 1,512,068.10, 2,268,102.18 and 1,138,820.10 is: 1,708,230.17
Step by Step Solution
- Step 1: Write the proportion equation
1,512,068.10 : 2,268,102.18 = 1,138,820.10 : x - Step 2: Convert to fraction form
1,512,068.10/2,268,102.18 = 1,138,820.10/x - Step 3: Cross multiply
1,512,068.10x = 2,268,102.18 × 1,138,820.10 - Step 4: Simplify right side
1,512,068.10x = 2,582,960,351,437.82 - Step 5: Solve for x
x = 2,582,960,351,437.82/1,512,068.10 - Step 6: Final answer
x = 1,708,230.17
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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.