Finding the Fourth Proportional to 3,990,057.41, 5,985,927.84 and 1,294,173.29
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Solution
The fourth proportional to 3,990,057.41, 5,985,927.84 and 1,294,173.29 is: 1,941,532.95
Step by Step Solution
- Step 1: Write the proportion equation
3,990,057.41 : 5,985,927.84 = 1,294,173.29 : x - Step 2: Convert to fraction form
3,990,057.41/5,985,927.84 = 1,294,173.29/x - Step 3: Cross multiply
3,990,057.41x = 5,985,927.84 × 1,294,173.29 - Step 4: Simplify right side
3,990,057.41x = 7,746,827,926,395.39 - Step 5: Solve for x
x = 7,746,827,926,395.39/3,990,057.41 - Step 6: Final answer
x = 1,941,532.95
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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.