Finding the Fourth Proportional to 1,396,719.52, 2,094,221.86 and 542,794.08
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Solution
The fourth proportional to 1,396,719.52, 2,094,221.86 and 542,794.08 is: 813,857.91
Step by Step Solution
- Step 1: Write the proportion equation
1,396,719.52 : 2,094,221.86 = 542,794.08 : x - Step 2: Convert to fraction form
1,396,719.52/2,094,221.86 = 542,794.08/x - Step 3: Cross multiply
1,396,719.52x = 2,094,221.86 × 542,794.08 - Step 4: Simplify right side
1,396,719.52x = 1,136,731,227,814.59 - Step 5: Solve for x
x = 1,136,731,227,814.59/1,396,719.52 - Step 6: Final answer
x = 813,857.91
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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.