Finding the Fourth Proportional to 4,186,315.74, 6,275,487.77 and 1,344,434.99
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Solution
The fourth proportional to 4,186,315.74, 6,275,487.77 and 1,344,434.99 is: 2,015,372.43
Step by Step Solution
- Step 1: Write the proportion equation
4,186,315.74 : 6,275,487.77 = 1,344,434.99 : x - Step 2: Convert to fraction form
4,186,315.74/6,275,487.77 = 1,344,434.99/x - Step 3: Cross multiply
4,186,315.74x = 6,275,487.77 × 1,344,434.99 - Step 4: Simplify right side
4,186,315.74x = 8,436,985,330,582.90 - Step 5: Solve for x
x = 8,436,985,330,582.90/4,186,315.74 - Step 6: Final answer
x = 2,015,372.43
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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.