Finding the Fourth Proportional to 3,539,535.57, 4,881,545.29 and 2,990,932.09
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Solution
The fourth proportional to 3,539,535.57, 4,881,545.29 and 2,990,932.09 is: 4,124,939.60
Step by Step Solution
- Step 1: Write the proportion equation
3,539,535.57 : 4,881,545.29 = 2,990,932.09 : x - Step 2: Convert to fraction form
3,539,535.57/4,881,545.29 = 2,990,932.09/x - Step 3: Cross multiply
3,539,535.57x = 4,881,545.29 × 2,990,932.09 - Step 4: Simplify right side
3,539,535.57x = 14,600,370,448,184.16 - Step 5: Solve for x
x = 14,600,370,448,184.16/3,539,535.57 - Step 6: Final answer
x = 4,124,939.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.