Finding the Fourth Proportional to 3,485,352.42, 5,220,457.82 and 1,684,459.08
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Solution
The fourth proportional to 3,485,352.42, 5,220,457.82 and 1,684,459.08 is: 2,523,029.67
Step by Step Solution
- Step 1: Write the proportion equation
3,485,352.42 : 5,220,457.82 = 1,684,459.08 : x - Step 2: Convert to fraction form
3,485,352.42/5,220,457.82 = 1,684,459.08/x - Step 3: Cross multiply
3,485,352.42x = 5,220,457.82 × 1,684,459.08 - Step 4: Simplify right side
3,485,352.42x = 8,793,647,568,233.71 - Step 5: Solve for x
x = 8,793,647,568,233.71/3,485,352.42 - Step 6: Final answer
x = 2,523,029.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.