Finding the Fourth Proportional to 1,396,723.54, 2,094,227.84 and 542,798.10
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Solution
The fourth proportional to 1,396,723.54, 2,094,227.84 and 542,798.10 is: 813,863.92
Step by Step Solution
- Step 1: Write the proportion equation
1,396,723.54 : 2,094,227.84 = 542,798.10 : x - Step 2: Convert to fraction form
1,396,723.54/2,094,227.84 = 542,798.10/x - Step 3: Cross multiply
1,396,723.54x = 2,094,227.84 × 542,798.10 - Step 4: Simplify right side
1,396,723.54x = 1,136,742,892,519.10 - Step 5: Solve for x
x = 1,136,742,892,519.10/1,396,723.54 - Step 6: Final answer
x = 813,863.92
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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.