Finding the Fourth Proportional to 1,749,545.93, 2,621,121.32 and 1,268,582.11
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Solution
The fourth proportional to 1,749,545.93, 2,621,121.32 and 1,268,582.11 is: 1,900,554.62
Step by Step Solution
- Step 1: Write the proportion equation
1,749,545.93 : 2,621,121.32 = 1,268,582.11 : x - Step 2: Convert to fraction form
1,749,545.93/2,621,121.32 = 1,268,582.11/x - Step 3: Cross multiply
1,749,545.93x = 2,621,121.32 × 1,268,582.11 - Step 4: Simplify right side
1,749,545.93x = 3,325,107,611,310.24 - Step 5: Solve for x
x = 3,325,107,611,310.24/1,749,545.93 - Step 6: Final answer
x = 1,900,554.62
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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.