Finding the Fourth Proportional to 1,805,731.08, 2,491,892.97 and 989,919.93
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Solution
The fourth proportional to 1,805,731.08, 2,491,892.97 and 989,919.93 is: 1,366,080.78
Step by Step Solution
- Step 1: Write the proportion equation
1,805,731.08 : 2,491,892.97 = 989,919.93 : x - Step 2: Convert to fraction form
1,805,731.08/2,491,892.97 = 989,919.93/x - Step 3: Cross multiply
1,805,731.08x = 2,491,892.97 × 989,919.93 - Step 4: Simplify right side
1,805,731.08x = 2,466,774,514,429.89 - Step 5: Solve for x
x = 2,466,774,514,429.89/1,805,731.08 - Step 6: Final answer
x = 1,366,080.78
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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.