Finding the Fourth Proportional to 1,396,714.51, 2,094,214.35 and 542,789.10
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Solution
The fourth proportional to 1,396,714.51, 2,094,214.35 and 542,789.10 is: 813,850.44
Step by Step Solution
- Step 1: Write the proportion equation
1,396,714.51 : 2,094,214.35 = 542,789.10 : x - Step 2: Convert to fraction form
1,396,714.51/2,094,214.35 = 542,789.10/x - Step 3: Cross multiply
1,396,714.51x = 2,094,214.35 × 542,789.10 - Step 4: Simplify right side
1,396,714.51x = 1,136,716,716,425.74 - Step 5: Solve for x
x = 1,136,716,716,425.74/1,396,714.51 - Step 6: Final answer
x = 813,850.44
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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.