Finding the Fourth Proportional to 1,990,251.86, 2,744,377.08 and 1,344,550.92
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Solution
The fourth proportional to 1,990,251.86, 2,744,377.08 and 1,344,550.92 is: 1,854,013.96
Step by Step Solution
- Step 1: Write the proportion equation
1,990,251.86 : 2,744,377.08 = 1,344,550.92 : x - Step 2: Convert to fraction form
1,990,251.86/2,744,377.08 = 1,344,550.92/x - Step 3: Cross multiply
1,990,251.86x = 2,744,377.08 × 1,344,550.92 - Step 4: Simplify right side
1,990,251.86x = 3,689,954,727,740.91 - Step 5: Solve for x
x = 3,689,954,727,740.91/1,990,251.86 - Step 6: Final answer
x = 1,854,013.96
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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.