Finding the Fourth Proportional to 2,649,416.87, 3,655,986.84 and 1,503,497.21
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Solution
The fourth proportional to 2,649,416.87, 3,655,986.84 and 1,503,497.21 is: 2,074,707.86
Step by Step Solution
- Step 1: Write the proportion equation
2,649,416.87 : 3,655,986.84 = 1,503,497.21 : x - Step 2: Convert to fraction form
2,649,416.87/3,655,986.84 = 1,503,497.21/x - Step 3: Cross multiply
2,649,416.87x = 3,655,986.84 × 1,503,497.21 - Step 4: Simplify right side
2,649,416.87x = 5,496,766,022,876.68 - Step 5: Solve for x
x = 5,496,766,022,876.68/2,649,416.87 - Step 6: Final answer
x = 2,074,707.86
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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.