Finding the Fourth Proportional to 3,288,582.12, 4,929,883.62 and 1,265,535.96
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Solution
The fourth proportional to 3,288,582.12, 4,929,883.62 and 1,265,535.96 is: 1,897,153.48
Step by Step Solution
- Step 1: Write the proportion equation
3,288,582.12 : 4,929,883.62 = 1,265,535.96 : x - Step 2: Convert to fraction form
3,288,582.12/4,929,883.62 = 1,265,535.96/x - Step 3: Cross multiply
3,288,582.12x = 4,929,883.62 × 1,265,535.96 - Step 4: Simplify right side
3,288,582.12x = 6,238,944,999,724.98 - Step 5: Solve for x
x = 6,238,944,999,724.98/3,288,582.12 - Step 6: Final answer
x = 1,897,153.48
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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.