Finding the Fourth Proportional to 4,918,303.93, 6,784,942.95 and 3,198,797.05
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Solution
The fourth proportional to 4,918,303.93, 6,784,942.95 and 3,198,797.05 is: 4,412,833.33
Step by Step Solution
- Step 1: Write the proportion equation
4,918,303.93 : 6,784,942.95 = 3,198,797.05 : x - Step 2: Convert to fraction form
4,918,303.93/6,784,942.95 = 3,198,797.05/x - Step 3: Cross multiply
4,918,303.93x = 6,784,942.95 × 3,198,797.05 - Step 4: Simplify right side
4,918,303.93x = 21,703,655,492,878.30 - Step 5: Solve for x
x = 21,703,655,492,878.30/4,918,303.93 - Step 6: Final answer
x = 4,412,833.33
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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.