Finding the Fourth Proportional to 1,693,863.70, 2,540,260.12 and 556,439.02
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Solution
The fourth proportional to 1,693,863.70, 2,540,260.12 and 556,439.02 is: 834,482.64
Step by Step Solution
- Step 1: Write the proportion equation
1,693,863.70 : 2,540,260.12 = 556,439.02 : x - Step 2: Convert to fraction form
1,693,863.70/2,540,260.12 = 556,439.02/x - Step 3: Cross multiply
1,693,863.70x = 2,540,260.12 × 556,439.02 - Step 4: Simplify right side
1,693,863.70x = 1,413,499,851,717.88 - Step 5: Solve for x
x = 1,413,499,851,717.88/1,693,863.70 - Step 6: Final answer
x = 834,482.64
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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.