Finding the Fourth Proportional to 1,407,975.92, 2,108,464.62 and 1,288,521.92
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Solution
The fourth proportional to 1,407,975.92, 2,108,464.62 and 1,288,521.92 is: 1,929,580.50
Step by Step Solution
- Step 1: Write the proportion equation
1,407,975.92 : 2,108,464.62 = 1,288,521.92 : x - Step 2: Convert to fraction form
1,407,975.92/2,108,464.62 = 1,288,521.92/x - Step 3: Cross multiply
1,407,975.92x = 2,108,464.62 × 1,288,521.92 - Step 4: Simplify right side
1,407,975.92x = 2,716,802,880,414.47 - Step 5: Solve for x
x = 2,716,802,880,414.47/1,407,975.92 - Step 6: Final answer
x = 1,929,580.50
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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.