Finding the Fourth Proportional to 2,612,585.84, 3,919,126.10 and 1,015,272.11
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Solution
The fourth proportional to 2,612,585.84, 3,919,126.10 and 1,015,272.11 is: 1,523,004.28
Step by Step Solution
- Step 1: Write the proportion equation
2,612,585.84 : 3,919,126.10 = 1,015,272.11 : x - Step 2: Convert to fraction form
2,612,585.84/3,919,126.10 = 1,015,272.11/x - Step 3: Cross multiply
2,612,585.84x = 3,919,126.10 × 1,015,272.11 - Step 4: Simplify right side
2,612,585.84x = 3,978,979,400,231.08 - Step 5: Solve for x
x = 3,978,979,400,231.08/2,612,585.84 - Step 6: Final answer
x = 1,523,004.28
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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.